Creators, collectors, and other people or bodies represented in finding aids. Includes the names of individuals, families, and corporate bodies (organizations, government agencies, conferences, projects, events, and entities like ships and musical groups). Names are selected from controlled lists used by the Library of Congress.
P
- Paar, Jack.
- Paca, William, 1740-1799.
- Paca, William, 1740-1799--Correspondence.
- Pace, Ernest M. (Ernest Milton)--Correspondence.
- Pacheco, José Ramón, 1805-1865--Correspondence.
- Pachmann, Vladimir de, 1848-1933--Correspondence.
- Pacific Coast Borax Company.
- Pacific Development Company.
- Pacific Theological Seminary (Berkeley, Calif.)--Faculty.
- Pack, Robert, 1929- --Correspondence.
- Packard, A. S. (Alpheus Spring), 1839-1905--Correspondence.
- Packard, C. M. (Clyde Monroe)--Correspondence.
- Packard, Edward T.--Correspondence.
- Packard, Vance, 1914-1996--Correspondence.
- Packard, William--Correspondence.
- Paderewski, Ignace Jan, 1860-1941.
- Paderewski, Ignace Jan, 1860-1941--Autographs.
- Paderewski, Ignace Jan, 1860-1941--Correspondence.
- Paganini, Nicolò, 1782-1840. violin, orchestra, no. 3, E major; arr.
- Page, Arthur W. (Arthur Wilson), 1883-1960--Correspondence.
- Page, Carroll Smalley, 1843-1925--Correspondence.
- Page, Carter--Correspondence.
- Page, Curtis Hidden, 1870-1946.
- Page, David, 1892-1989--Correspondence.
- Page, Frank.
- Page, Henry, fl. 1863-1865.
- Page, John, 1787-1865--Correspondence.
- Page, Mary H. (Mary Hutcheson), 1860-1940--Correspondence.
- Page, Thomas Nelson, 1853-1922--Correspondence.
- Page, Walter Hines, 1855-1918.
- Page, Walter Hines, 1855-1918--Correspondence.
- Pahl, Pius E., 1909- --Correspondence.
- Paich, Marty.
- Paĭchadze, Gabriel--Correspondence.
- Paine, Albert Bigelow, 1861-1937--Correspondence.
- Paine, R. F. (Robert F.)--Correspondence.
- Paine, Robert F. (Robert Findley), 1856-1940.
- Paine, Robert Treat, 1731-1814.
- Paine, Robert Treat, 1835-1910--Correspondence.
- Paine, Thomas, 1737-1809.
- Paine, Thomas, 1737-1809--Correspondence.
- Paine, Thomas O., 1921-1992.
- Paine, Thomas O., 1921-1992--Correspondence.
- Pais, Abraham, 1918- --Correspondence.
- Pal'menbach family.
- Palar, L. N.
- Palar, L. N.--Correspondence.
- Palda, Lev J., 1847-1912.
- Palestine Conservatory of Music and Dramatic Art.
- Paley, William S. (William Samuel), 1901-1990--Correspondence.
- Palfrey family.
- Palfrey, John Gorham, 1796-1881--Correspondence.
- Palgrave, Francis, Sir, 1788-1861--Correspondence.
- Palisades Interstate Park Commission.
- Palmer, A. Mitchell (Alexander Mitchell), 1872-1936--Correspondence.
- Palmer, Alexander Smith, 1806-1894.
- Palmer, Alice Freeman, 1855-1902.
- Palmer, Courtlandt, 1843-1888--Correspondence.
- Palmer family.
- Palmer family--Correspondence.
- Palmer, John, fl. 1777-1782--Correspondence.
- Palmer, John M. (John McAuley), 1817-1900--Correspondence.
- Palmer, John McAuley, 1870-1955.
- Palmer, Louis Lambert, 1845-1887--Correspondence.
- Palmer, Maude Laning--Correspondence.
- Palmer, Nathaniel Brown, 1799-1877.
- Palmer, Paul, 1900-.
- Palmer, T. S. (Theodore Sherman), 1868-1955.
- Palmer, Theodore Dwight, 1816-1865--Correspondence.
- Palmerston, Henry John Temple, Viscount, 1784-1865--Correspondence.
- Pan American Airways Corporation.
- Pan-American Conference (1933 : Montevideo, Uruguay).
- Pan-American Exposition (1901 : Buffalo, N.Y.).
- Pan American Union.
- Pan, Huizhu.
- Panama Canal Company.
- Panama-Pacific International Exposition (1915 : San Francisco, Calif.).
- Panama Railroad Co.
- Panama Railroad Steamship Line.
- Panama. Treaties, etc. 1903 Nov. 18.
- Panama Water Works.
- Pandit, Vijaya Lakshmi, 1900-1990--Correspondence.
- Paneth, Josef.
- Paneth, Marie.
- Pankejeff, Sergius, 1887-1979.
- Pankejeff, Sergius, 1887-1979--Correspondence.
- Pankejeff, Sergius, 1887-1979--Interviews.
- Pankejeff, Therese--Correspondence.
- Pankhurst, E. Sylvia (Estelle Sylvia), 1882-1960--Correspondence.
- Pankhurst, Emmeline, 1858-1928--Correspondence.
- Panofsky, Dora Mosse--Correspondence.
- Panofsky, Erwin, 1892-1968--Correspondence.
- Panton, Leslie & Company.
- Panton, William, 1742-1801.
- Papánek, Jan, 1896-1991.
- Papen, Franz von, 1879-1969.
- Papineau, Louis Joseph, 1786-1871--Correspondence.
- Pappageorge, John G. (John George), 1931- --Correspondence.
- Pardo de Tavera, T. H. (Trinidad Hermenegildo), 1857-1925--Correspondence.
- Paris Conference on Vietnam (1973).
- Paris, Louis Philippe Albert d'Orléans, comte de, 1838-1894--Correspondence.
- Paris Peace Conference (1919-1920).
- Park, Charles Edward, d. 1904--Correspondence.
- Park, Ki Suh, 1932-.
- Park, Maud Wood, 1871-1955.
- Park, Maud Wood, 1871-1955--Correspondence.
- Park Ridge School for Girls (Park Ridge, Ill.).
- Park, T. W. (Trenor William), 1823-1882--Correspondence.
- Parker, Alton B. (Alton Brooks), 1852-1926.
- Parker, Alton B. (Alton Brooks), 1852-1926--Correspondence.
- Parker, Amasa J. (Amasa Junius), 1807-1890.
- Parker, Charlie, 1920-1955--Correspondence.
- Parker, Daniel, 1782-1846--Correspondence.
- Parker, Daniel, merchant--Correspondence.
- Parker, David N., b. 1940--Correspondence.
- Parker, Dorothy, 1893-1967.
- Parker, Ely Samuel, 1828-1895--Correspondence.
- Parker, Foxhall A. (Foxhall Alexander), 1821-1879--Correspondence.
- Parker, Franklin, 1921- --Correspondence.
- Parker, George B., 1886-1949.
- Parker, Gilbert, 1862-1932--Interviews.
- Parker, Harriet Langdon Roberts--Correspondence.
- Parker, Horatio W. (Horatio William), 1863-1919--Correspondence.
- Parker, Isaac, 1768-1830--Correspondence.
- Parker, Joel, 1816-1888--Correspondence.
- Parker, John, 1759-1832--Correspondence.
- Parker, John Johnston, 1885-1958.
- Parker, John Johnston, 1885-1958--Correspondence.
- Parker, Lydia Dodge Cabot--Correspondence.
- Parker, Nahum, 1760-1839.
- Parker, Richard Elliot, 1783-1840--Correspondence.
- Parker, Samuel Wilson, 1805-1859.
- Parker, Theodore, 1810-1860.
- Parker, Theodore, 1810-1860--Correspondence.
- Parkhurst, C. H. (Charles Henry), 1842-1933--Correspondence.
- Parkinson's Disease Foundation (U.S.).
- Parkman, Francis, 1823-1893--Correspondence.
- Parks, Burton M.--Correspondence.
- Parks, Floyd Lavinius, 1896-1959--Correspondence.
- Parks, Gordon, 1912-2006.
- Parlin, Charles C. (Charles Coolidge), 1898- --Correspondence.
- Parmenius, Stephanus, d. 1583.
- Parr-Gere, Florence, b. 1875.
- Parr-Gere, Florence, b. 1875--Archives.
- Parr-Gere, Florence, b. 1875--Photographs.
- Parris, Guichard--Correspondence.
- Parrish family.
- Parrish, Garland C.
- Parrish, Noel Francis.
- Parrish, Wayne W. (Wayne William), 1907-.
- Parson, Clementine Buzzell--Correspondence.
- Parsons, Edward Alexander, 1878-1962--Correspondence.
- Parsons, Enoch, 1769-1846.
- Parsons, Enoch Thomas, d. 1830--Correspondence.
- Parsons family.
- Parsons, Geoffrey, 1879-1956--Correspondence.
- Parsons, Gerald E., 1940-1995.
- Parsons, Henry Ethelbert--Correspondence.
- Parsons, Jonathan, 1705-1776--Correspondence.
- Parsons, Mehetable Mather, 1743-1802--Correspondence.
- Parsons, Richard Chappell, 1826-1899--Correspondence.
- Parsons, Samuel Holden, 1737-1789.
- Parsons, Samuel Holden, 1800-1871.
- Parsons, Theophilus, 1797-1882.
- Parsons, Theophilus, 1797-1882--Correspondence.
- Parsons, Wilfrid, 1887-1958--Correspondence.
- Partido Autonomista Puerto-Riqueño.
- Parting Ways, the Museum of Afro-American Ethnohistory (Plymouth, Mass.).
- Parton, James, 1822-1891--Correspondence.
- Parton, James, 1912- --Correspondence.
- Partridge, Alden, 1785-1854.
- Partridge, George, 1740-1828--Correspondence.
- Partymiller, Walt, 1911-1991--Correspondence.
- Parvin, Theodore Sutton, 1817-1901--Correspondence.
- Pascrell, Bill.
- Pasternak, Boris Leonidovich, 1890-1960--Correspondence.
- Pasvolsky, Leo, 1893-1953.
- Pater, Walter, 1839-1894.
- Paterson, Donald G. (Donald Gildersleeve), 1892-1961.
- Paterson, Isabel--Correspondence.
- Paterson, Mark--Correspondence.
- Paterson, William, 1745-1806.
- Paterson, William, 1755-1810--Correspondence.
- Pathet Lao.
- Paton, Alan--Correspondence.
- Patri, Angelo, b. 1876.
- Patrick, Ted, 1901-1964--Correspondence.
- Patrolmen's Benevolent Association of the City of New York.
- Patterson, Alicia, 1906-1963.
- Patterson, Amelia Sophia, 1826-1904--Correspondence.
- Patterson, Angus--Correspondence.
- Patterson, Augusta Owen--Correspondence.
- Patterson, Daniel Todd, 1786-1839.
- Patterson family.
- Patterson, Frank Jefferson, 1844-1901.
- Patterson, Frederick D. (Frederick Douglass), 1901-1988.
- Patterson, Frederick D. (Frederick Douglass), 1901-1988--Correspondence.
- Patterson, Jefferson, 1891-1977.
- Patterson, Joseph Medill, 1879-1946--Correspondence.
- Patterson, Mark.
- Patterson, Richard J.--Correspondence.
- Patterson, Robert, 1743-1824--Correspondence.
- Patterson, Robert, 1792-1881.
- Patterson, Robert, 1792-1881--Correspondence.
- Patterson, Robert Porter, 1891-1952--Correspondence.
- Patterson, Russell, 1893-1977--Correspondence.
- Patterson, Ruth Cleary--Correspondence.
- Patterson, William, 1752-1835--Correspondence.
- Patterson, William D. (William Dudley), 1910-1986--Correspondence.
- Patterson, William Franklin, 1826-1886.
- Patterson, William L. (William Lorenzo), 1891- --Correspondence.
- Pattison, Granville Sharp, 1791-1851--Correspondence.
- Pattison, John, 1782-1867--Correspondence.
- Pattison, Juan--Correspondence.
- Pattman, Neal.
- Patton, Beatrice Banning Ayer, 1886-1953--Correspondence.
- Patton family.
- Patton, George S. (George Smith), 1885-1945.
- Patton, George S. (George Smith), 1885-1945--Correspondence.
- Patton, William, 1798-1879--Correspondence.
- Paul, Alice, 1885-1977.
- Paul, Alice, 1885-1977--Correspondence.
- Paul family.
- Paul H. Nitze School of Advanced International Studies.
- Paul, John, 1883-1964--Correspondence.
- Paul Rosenberg and Associates (Pelham, N.Y.).
- Paul VI, Pope, 1897-1978--Correspondence.
- Paul, Willard Stewart, 1894-1966--Correspondence.
- Paulding, Hiram, 1797-1878--Correspondence.
- Paulding, James Kirke, 1778-1860--Correspondence.
- Paulen, Benjamin Sanford, 1869-1961--Correspondence.
- Pauli, Wolfgang, 1900-1958.
- Pauli, Wolfgang, 1900-1958--Correspondence.
- Pauling, Linus, 1901-1994.
- Pauling, Linus, 1901-1994--Correspondence.
- Paullin, Charles Oscar, 1868 or 9-1944--Correspondence.
- Pauncefote, Julian, Baron, 1828-1902.
- Pauncefote, Julian, Baron, 1828-1902--Correspondence.
- Pauncefote, Julian Pauncefote, Baron, 1828-1902--Correspondence.
- Pavlov, Ivan Petrovich, 1849-1936--Correspondence.
- Pavlova, Anna, 1881-1931.
- Payne, Ethel L.
- Payne family.
- Payne, Henry C. (Henry Clay), 1843-1904--Correspondence.
- Payne, John C.--Correspondence.
- Payne, John Howard, 1791-1852.
- Payne, John Howard, 1791-1852--Correspondence.
- Payne, Robert, 1911-1983--Correspondence.
- Paz, Juan Carlos, 1897-1972.
- Paz, Octavio, 1914-1998.
- Peabody Education Fund.
- Peabody, Elizabeth Palmer, 1804-1894.
- Peabody, Elizabeth Palmer, 1804-1894--Correspondence.
- Peabody, Elizabeth Smith Shaw, 1750-1815--Correspondence.
- Peabody, Endicott, 1857-1944--Correspondence.
- Peabody, Francis Greenwood, 1847-1936--Correspondence.
- Peabody, George, 1795-1869--Correspondence.
- Peabody, George Foster, 1852-1938.
- Peabody, George Foster, 1852-1938--Correspondence.
- Peace and Disarmament Committee of the Women's International Organisations.
- Peace Corps (U.S.).
- Peacock (Sloop of war).
- Peale, Charles Willson, 1741-1827.
- Peale, Charles Willson, 1741-1827--Correspondence.
- Peale family.
- Peale, Norman Vincent, 1898-1993--Correspondence.
- Pearce, Charles A., 1906-1970--Correspondence.
- Pearce, Dutee Jerauld, 1789-1849--Correspondence.
- Pearce, James Alfred, 1804-1862--Correspondence.
- Pearl, Raymond, 1879-1940--Correspondence.
- Pearson, Drew, 1897-1969.
- Pearson, Drew, 1897-1969--Correspondence.
- Pearson, E. S. (Egon Sharpe), 1895-1980--Correspondence.
- Pearson family.
- Pearson, Gerald H. J. (Gerald Hamilton Jeffrey), 1893-1969--Correspondence.
- Pearson, Hesketh, 1887-1964--Correspondence.
- Pearson, Karl, 1857-1936--Correspondence.
- Pearson, Norman Holmes, 1909-1975--Correspondence.
- Peary, Marie Ahnighito, 1893-1978.
- Peary, Robert E. (Robert Edwin), 1856-1920.
- Peary, Robert E. (Robert Edwin), 1856-1920--Correspondence.
- Pease, J. J. R.--Correspondence.
- Pease, Theodore Calvin, 1887-1948--Correspondence.
- Peaslee, Amos J. (Amos Jenkins), 1887-1969--Correspondence.
- Peaslee, Charles Hazen, 1804-1866--Correspondence.
- Pechman, Joseph A., 1918- --Correspondence.
- Peck, Annie S. (Annie Smith), 1850-1935.
- Peck, Gregory, 1916-2003--Correspondence.
- Peck, James Hawkins, ca. 1790-1836.
- Peck, Mary Gray, 1867?-1957--Correspondence.
- Peck, William V. (William Virgil), 1804-1877--Correspondence.
- Peckham family.
- Peckham, Orville, 1846-1927--Correspondence.
- Peckham, Rufus W., 1809-1873.
- Peckham, Rufus Wheeler, 1838-1909.
- Peckham, Rufus Wheeler, 1838-1909--Correspondence.
- Peckham, Wheeler H. (Wheeler Hazard), 1833-1905.
- Peckwell, Henry--Correspondence.
- Peddle, Thomas B.--Correspondence.
- Pederson, Edwin--Correspondence.
- Peebles, Mary Louise Parmelee, 1833-1915--Estate.
- Peebles, P. J. E. (Phillip James Edwin)--Correspondence.
- Peek, Scott I.
- Peel, Robert, 1788-1850--Correspondence.
- Peet, William Wheelock, 1851-1942.
- Peffer, William Alfred, 1831-1912--Correspondence.
- Pegler, J. Westbrook (James Westbrook), 1894-1969--Correspondence.
- Pegler, Westbrook, 1884-1969.
- Pegler, Westbrook, 1894-1969--Correspondence.
- Pei, I. M., 1917- --Photographs.
- Peierls, Rudolf Ernst, Sir, 1907- --Correspondence.
- Peirce, Benjamin, 1809-1880--Correspondence.
- Peirce, Charles S. (Charles Sanders), 1839-1914--Correspondence.
- Pelham, John, 1838-1863.
- Pelham, John, 1838-1863--Correspondence.
- Pelham, R. W. (Richard W.), 1797-1873.
- Pell, Claiborne, 1918-2009.
- Peller, Lili E. (Lili Esther).
- Pelli, Cesar.
- Pelz, Eduard, 1800-1876.
- Pelz, Henriette.
- Pelz, Paul J., 1841-1918.
- Pemberton, A. H.--Correspondence.
- Pemberton, John C. (John Clifford), 1814-1881--Correspondence.
- Peña y Peña, Manuel de la, 1789-1850--Correspondence.
- Penacook Baptist Church (Concord, N.H.).
- Penderecki, Krzysztof, 1933- --Correspondence.
- Pendleton, Benjamin, 1787-1857--Correspondence.
- Pendleton, Edmund, 1721-1803.
- Pendleton, Edmund, 1721-1803--Correspondence.
- Pendleton, George H. (George Hunt), 1825-1889--Correspondence.
- Pendleton, John S. (John Strother), 1802-1868--Correspondence.
- Penfield, Edward, 1866-1925--Correspondence.
- Penguin (Schooner).
- Penhallow, Samuel, 1665-1726--Correspondence.
- Peniston, Robert C.--Correspondence.
- Penn family.
- Penn family--Homes and haunts--Pennsylvania.
- Penn, John, 1729-1795.
- Penn, John, 1740 or 1-1788.
- Penn, John, 1760-1834.
- Penn, William, 1644-1718.
- Pennell, Elizabeth Robins, 1855-1936.
- Pennell, Joseph, 1857-1926--Correspondence.
- Pennsylvania Avenue Development Corporation.
- Pennsylvania. Commission for Legislative Modernization.
- Pennsylvania. Court of Common Pleas (Philadelphia County).
- Pennsylvania. Dept. of Labor and Industry.
- Pennsylvania. General Assembly.
- Pennsylvania Horticultural Society.
- Pennsylvania Hospital (Philadelphia, Pa.).
- Pennsylvania. Municipal Court (Philadelphia County).
- Pennsylvania Railroad.
- Pennsylvania. State Forestry Reservation Commission.
- Pennsylvania Station (New York, N.Y.).
- Pennsylvania. Supreme Court.
- Pennypacker, Samuel W. (Samuel Whitaker), 1843-1916.
- Penrose, Boies, 1860-1921.
- Penrose, Boies, 1860-1921--Correspondence.
- Pensacola (Screw steamer).
- Penzias, Arno A.
- People for a Smoke-Free Indoors.
- People-to-People (Organization).
- People's Legislative Service.
- People's Lobby.
- Peoples, C. J.--Correspondence.
- Pepper, Claude, 1900-1989--Correspondence.
- Pepper, George Wharton, 1867-1961--Correspondence.
- Percy, Charles H., 1919-2011--Correspondence.
- Percy, J. C. (James Campbell), 1869-1928--Correspondence.
- Percy of Newcastle, Eustace Percy, Baron, 1887-1958--Correspondence.
- Percy, Walker, 1916-1990.
- Perelman, S. J. (Sidney Joseph), 1904-1979.
- Peres, Shimon, 1923- --Correspondence.
- Peress, Maurice--Correspondence.
- Pereyns, Simón, d. 1589.
- Pérez de Cuéllar, Javier, 1920- --Correspondence.
- Périer, Natalie du Motier de La Fayette, 1803-1878.
- Perito, Nick.
- Perkins, Frances, 1880-1965.
- Perkins, Frances, 1880-1965--Correspondence.
- Perkins, George W. (George Walbridge), 1862-1920--Correspondence.
- Perkins, Maxwell E. (Maxwell Evarts), 1884-1947--Correspondence.
- Perkins, Milo, 1900- --Correspondence.
- Perkins, Walden--Correspondence.
- Perle, George, 1915-2009.
- Perle, George,--1915-2009--Correspondence.
- Perle, Richard Norman, 1941-.
- Perle, Richard Norman, 1941- --Correspondence.
- Perlin, Marshall, 1920-1998--Correspondence.
- Perlis, Vivian--Correspondence.
- Perlman, Helen Harris.
- Perlman, Isadore--Correspondence.
- Perlman, Itzhak, 1945- --Portraits.
- Perlman, Selig, 1888-1959.
- Perlstein, Israel, 1897-1975.
- Permanent Court of Arbitration.
- Permanent Court of International Justice.
- Perón, Juan Domingo, 1895-1974.
- Perot, H. Ross, 1930-.
- Perot, H. Ross, 1930- --Correspondence.
- Perrault, Louis, 1807-1866--Correspondence.
- Perry, A. William, b. 1924--Correspondence.
- Perry, Aaron F. (Aaron Fyfe), 1815-1893--Correspondence.
- Perry (Brig).
- Perry, Matthew Calbraith, 1794-1858.
- Perry, Matthew Calbraith, 1794-1858--Correspondence.
- Perry, Nora, 1831-1896.
- Perry, Oliver Hazard, 1785-1819.
- Perry, Oliver Hazard, 1785-1819--Correspondence.
- Pershing, John J. (John Joseph), 1860-1948.
- Pershing, John J. (John Joseph), 1860-1948--Correspondence.
- Pershing, Warren, 1909-1980.
- Persichetti, Vincent, 1915-1987--Correspondence.
- Person, Seymour Howe, 1879-1957--Correspondence.
- Persons, C. E.--Correspondence.
- Pertschuk, Michael, 1933-.
- Pertzoff, Peter Alexander--Correspondence.
- Peru. Marina.
- Pétain, Philippe, 1856-1951.
- Pétain, Philippe, 1856-1951--Correspondence.
- Peter Chardon Brooks Insurance Agency.
- Peter I, Emperor of Russia, 1672-1725.
- Peter, John, 1917-1998.
- Peter, John, 1917-1998--Photographs.
- Peterhans, Walter, 1897-1960--Correspondence.
- Peterkin, Ernest W.
- Peters, C. H. F. (Christian Heinrich Friedrich), 1813-1890--Correspondence.
- Peters, Charles, 1926- --Correspondence.
- Peters International, Inc.
- Peters, Minerva Macomb--Correspondence.
- Peters, Muriel--Correspondence.
- Peters, Richard, 1743-1828.
- Peters, Richard, 1743-1828--Correspondence.
- Peters, Richard, 1744-1828--Correspondence.
- Peters, Richard, 1780-1848--Correspondence.
- Peters, Samuel, 1735-1826--Correspondence.
- Peters, Thomas Kimmwood, 1879-1973.
- Peters, Thomas Willing--Correspondence.
- Peters, William Wesley--Correspondence.
- Peterson, Douglas Brian.
- Peterson, Elly Maude, 1914-2008.
- Peterson, Esther, 1906-1997.
- Peterson, Esther, 1906-1997--Correspondence.
- Peterson, Peter G.--Correspondence.
- Peterson, Russell W. (Russell Wilbur), 1916-2011.
- Peterson, Virgil L.--Correspondence.
- Petigru, James Louis, 1789-1863--Correspondence.
- Petit, Roland, 1924-2011--Correspondence.
- Petri, Thomas E.
- Petrie, Daniel.
- Petrie, Dorothea G.
- Petrie, W. M. Flinders (William Matthew Flinders), Sir, 1853-1942.
- Petrillo, James C. (James Caesar), 1892-1984--Caricatures and cartoons.
- Petroff, Paul--Photographs.
- Petroleum Producers Association.
- Petrosʹi︠a︡nt︠s︡, A. M. (Andranik Melkonovich), 1906- --Correspondence.
- Petrova, Olga, 1886-.
- Pett, Saul, 1918-1993.
- Pettiford, Oscar, 1922-1960--Portraits.
- Pettit, Robert--Correspondence.
- Pettit, William V.--Correspondence.
- Pew, Marlen Edwin, 1878-1936--Correspondence.
- Peyton, H. E. (Henry E.)--Correspondence.
- Pfeiffer, George--Correspondence.
- Pfister, Oskar, 1873-1956.
- Pfister, Oskar, 1873-1956--Correspondence.
- Pfister, Oskar, 1873-1956--Interviews.
- Pfund, A. H. (August Herman), 1879-1949--Correspondence.
- Phạm, Văn Đồng, 1906-2000.
- Pharon, Henri--Correspondence.
- Phelan, James D. (James Duval), 1861-1930.
- Phelps, Abner, 1779-1873--Correspondence.
- Phelps, Amos A. (Amos Augustus), 1805-1847--Correspondence.
- Phelps, Edward John, 1822-1900.
- Phelps, Edward John, 1822-1900--Correspondence.
- Phelps, Erskine Mason, 1839-1910--Correspondence.
- Phelps, George H. (George Harrison), 1883-1945--Correspondence.
- Phelps, John S. (John Smith), 1814-1886.
- Phelps, Mary Whitney.
- Phelps-Stokes Fund.
- Phelps, W. W.--Correspondence.
- Phelps, William Lyon, 1865-1943.
- Phelps, William Lyon, 1865-1943--Correspondence.
- Phelps, William Walter, 1839-1894--Correspondence.
- Phi Beta Kappa.
- Phi Gamma Delta.
- Philadelphia Ambassadors Chorale and Ensemble.
- Philadelphia (Frigate).
- Philadelphia Naval Shipyard (Philadelphia, Pa.).
- Philadelphia (Pa.). Overseers of the Poor.
- Philadelphia, Wilmington, and Baltimore Rail Road Company.
- Philbrick, Charles H--Correspondence.
- Philbrick, Francis S. (Francis Samuel), 1876-1970.
- Philbrick, Herbert A. (Herbert Arthur), 1915-1993.
- Philco Radio and Television Corp.
- Philip H. & A.S.W. Rosenbach Foundation.
- Philipp, Isidore, 1863-1958--Correspondence.
- Philippine Constabulary.
- Philippines. Bureau of Agriculture.
- Philippines. Gobernador-General.
- Philippines. Supreme Court.
- Philips, John Finis, 1834-1919--Correspondence.
- Philipse, Frederick, 1626-1702.
- Phillimore, Walter G. F. Phillimore (Walter George Frank Phillimore), Baron, 1845-1929--Correspondence.
- Phillips, David Atlee.
- Phillips, David Graham, 1867-1911--Correspondence.
- Phillips Exeter Academy.
- Phillips family.
- Phillips, Frederick Beaumont, Sir, 1890-1957.
- Phillips, Frederick J.--Correspondence.
- Phillips, H. I. (Harry Irving), b. 1887--Correspondence.
- Phillips, John S. (John Sanburn), 1861-1949--Correspondence.
- Phillips, Orie Leon, b. 1885--Correspondence.
- Phillips, Samuel C. (Samuel Cochran), 1921-1990.
- Phillips, Thomas Wharton, 1835-1912--Correspondence.
- Phillips, Ulrich Bonnell, 1877-1934.
- Phillips, Walter P. (Walter Polk), 1846-1920--Correspondence.
- Phillips, Wendell, 1811-1884.
- Phillips, Wendell, 1811-1884--Correspondence.
- Phillips, William, 1878-1968--Correspondence.
- Philosophical Society of Washington (Washington, D.C.).
- Phipps, Charles H.--Correspondence.
- Phipps, Henry, 1839-1930.
- Phoumi Nosavan.
- Physicians for Social Responsibility (U.S.).
- Physick, Abigail, 1763-1854.
- Physick, Abigail Syng, d. 1791.
- Physick, Edmund, 1725 or 6-1804.
- Physick family.
- Physick, Philip Syng, 1768-1837.
- Physick, Theodore, 1805-1834.
- Pi Kappa Lambda.
- Piano Red, 1911-1985.
- Piatigorsky, Gregor, 1903-1976--Correspondence.
- Piatt, Donn, 1819-1891--Correspondence.
- Picard family.
- Picasso, Pablo, 1881-1973.
- Piccard, Auguste, 1884-1962.
- Piccard, Auguste, 1884-1962--Correspondence.
- Piccard, Don, 1926-.
- Piccard, Jacques--Correspondence.
- Piccard, Jean Felix, 1884-1963.
- Piccard, Jeannette, 1895-1981.
- Piccard, Jules, b. 1840--Correspondence.
- Piccard, Kathryn Ann--Correspondence.
- Pichel, Irving, 1891-1954.
- Pichler, Hans, 1877-1949.
- Pichon, A. Emilie--Correspondence.
- Picken, Laurence Ernest Rowland.
- Picken, Laurence Ernest Rowland--Archives.
- Picken, Laurence Ernest Rowland--Correspondence.
- Picken, Laurence Ernest Rowland--Manuscripts.
- Picken, Laurence Ernest Rowland--Photographs.
- Pickens, F. W. (Francis Wilkinson), 1805-1869.
- Pickens, F. W. (Francis Wilkinson), 1805-1869--Correspondence.
- Pickens, William, 1881-1954--Correspondence.
- Pickerill, Elmo N. (Elmo Neale), 1885-1968.
- Pickering (Brig).
- Pickering, Edward C. (Edward Charles), 1846-1919--Correspondence.
- Pickering, John, 1737-1805--Impeachment.
- Pickering, Timothy, 1745-1829.
- Pickering, Timothy, 1745-1829--Correspondence.
- Pickett family.
- Pickett, George E. (George Edward), 1825-1875.
- Pickett, George E. (George Edward), 1891 or 2-1959.
- Pickett, J. C. (James Chamberlayne), 1793-1872--Correspondence.
- Pickett, John T. (John Thomas), 1822-1884.
- Pickett, John T. (John Thomas), 1822-1884--Correspondence.
- Pickett, La Salle Corbell, 1848-1931.
- Pickett, Theodore John.
- Pickford, Mary, 1892-1979.
- Pickford, Mary, 1892-1979--Correspondence.
- Pickle, Addie--Correspondence.
- Piel, Gerard--Correspondence.
- Pierce, Benjamin, 1757-1839--Correspondence.
- Pierce, Benjamin, 1841-1853--Death and burial.
- Pierce, Edward Lillie, 1829-1897.
- Pierce, Edward Lillie, 1829-1897--Correspondence.
- Pierce family.
- Pierce, Franklin, 1804-1869.
- Pierce, Franklin, 1804-1869--Correspondence.
- Pierce, George Washington, 1872-1956.
- Pierce, Jane M. (Jane Means), 1806-1863--Correspondence.
- Pierce, John Robinson, 1910-2002--Correspondence.
- Pierce, Ponchitta Anne, 1942- --Correspondence.
- Pierce, Ulysses G. B. (Ulysses Grant Baker), 1865-1943--Correspondence.
- Pierné, Gabriel, 1863-1937--Correspondence.
- Pierpont, Francis Harrison, 1814-1899--Correspondence.
- Pierrepont, Edwards, 1817-1892.
- Pierrepont, Edwards, 1817-1892--Correspondence.
- Pierson, Bowen Whiting.
- Pierson, Clarissa Bulkeley.
- Pierson, Job, 1791-1860.
- Pierson, Job, 1824-1896.
- Pierson, Nicole--Correspondence.
- Pierson, Philip T. H.
- Pike, Albert, 1809-1891--Correspondence.
- Pike, Elizabeth E.--Correspondence.
- Pike family.
- Pike, James A. (James Albert), 1913-1969--Correspondence.
- Pike, Luther H.
- Pike, Zebulon Montgomery, 1779-1813.
- Pilat, Oliver, 1903-1987--Correspondence.
- Pilâtre de Rozier, Jean-François, 1754-1785.
- Pilcher, Percy--Correspondence.
- Pillow, Gideon Johnson, 1806-1878.
- Pillow, Gideon Johnson, 1806-1878--Correspondence.
- Pillsbury (Destroyer : DD-227).
- Pillsbury, Parker, 1809-1898.
- Pillsbury, Parker, 1809-1898--Correspondence.
- Pilpel, Harriet F.--Correspondence.
- Pinchot, Amos, 1873-1944.
- Pinchot, Amos, 1873-1944--Correspondence.
- Pinchot, Cornelia Bryce, 1881-1960.
- Pinchot, Cornelia Bryce, 1881-1960--Correspondence.
- Pinchot family.
- Pinchot, Gifford, 1865-1946.
- Pinchot, Gifford, 1865-1946--Correspondence.
- Pinchot, James W., 1831-1908.
- Pinchot, Mary Eno.
- Pinchot, Rosamond, 1904-1938.
- Pinchot, Ruth P.--Correspondence.
- Pinchot South Sea Expedition (1929).
- Pinckney, Charles Cotesworth, 1746-1825--Correspondence.
- Pinckney, Mary Stead, ca. 1751-1812--Correspondence.
- Pinckney, Richard S., d. 1854--Correspondence.
- Pinckney, Thomas, 1750-1828--Correspondence.
- Pinkerton, Allan, 1819-1884.
- Pinkerton, Allan, 1819-1884--Correspondence.
- Pinkerton, Allan, 1876-1930.
- Pinkerton, Charles, d. 1974.
- Pinkerton, George W.--Correspondence.
- Pinkerton, Robert A., 1904-1967.
- Pinkerton, Robert A. (Robert Allan), 1848-1907.
- Pinkerton, Robert A. (Robert Allan), 1848-1907--Correspondence.
- Pinkerton, William A. (William Allan), 1846-1923.
- Pinkerton's National Detective Agency.
- Pinkham, Daniel--Correspondence.
- Pinkley, Virgil--Correspondence.
- Pinkney, Anne M. (Anne Maria)--Correspondence.
- Pinkney, Mary H. (Mary Hambleton),1816-1896--Correspondence.
- Pinkney, Ninian, 1811-1877.
- Pinkney, William, 1764-1822--Correspondence.
- Pintado, Vicente Sebastián, 1774-1829.
- Pinter, Harold, 1930-2008--Correspondence.
- Piore, Emanuel Ruben, 1908-2000--Correspondence.
- Piret, Edgar L.
- Piscataqua (Screw steamer).
- Piscator, Erwin, 1893-1966--Correspondence.
- Pisemskiĭ, A. F. (Alekseĭ Feofilaktovich), 1820-1881.
- Piston, Walter, 1894-1976.
- Piston, Walter, 1894-1976--Correspondence.
- Pitcairn, Joseph--Correspondence.
- Pitcher, Evelyn Goodenough--Correspondence.
- Pitchlynn, John, ca. 1756-1835--Correspondence.
- Pitney, Fred B.--Correspondence.
- Pitofsky, Robert--Correspondence.
- Pitt, William, 1759-1806--Correspondence.
- Pittman, Key, 1872-1940.
- Pittman, Key, 1872-1940--Correspondence.
- Pitts, Rebecca E.--Correspondence.
- Pittsburgh International Contemporary Music Festival.
- Pittsburgh Pirates (Baseball team).
- Pittsburgh Symphony Orchestra.
- Pius XII, Pope, 1876-1958.
- Pius XII, Pope, 1876-1958--Correspondence.
- Pixley, Frank, 1865-1919.
- Pizzetti, Ildebrando, 1880-1968--Correspondence.
- Planned Parenthood Federation of America.
- Plante, David--Correspondence.
- Plater, George, 1735-1792.
- Plath, Sylvia.
- Plato.
- Platonov, Andreĭ Platonovich, 1899-1951.
- Platt, Edmund, 1865-1939--Correspondence.
- Platt, Haviland Hull, 1889- --Correspondence.
- Platt, Isaac Hull, 1853-1912--Correspondence.
- Platt, James H., 1837-1894--Correspondence.
- Platt-LePage Aircraft Corporation.
- Platt, Orville Hitchcock, 1827-1905--Correspondence.
- Platt, Selma.
- Platt, Thomas Collier, 1833-1910.
- Platt, Thomas Collier, 1833-1910--Correspondence.
- Platt, Timothy--Correspondence.
- Playboy Enterprises--Correspondence.
- Player, Willa B.--Correspondence.
- Players (Club).
- Playfair, Lyon Playfair, Baron, 1818-1898--Correspondence.
- Plaza Lasso, Galo, 1906-1986--Correspondence.
- Pleasants, Henry--Correspondence.
- Pleasants, Virginia--Correspondence.
- Plehn, Carl C. (Carl Copping), 1867- --Correspondence.
- Pleiades (Aerostat).
- Plitt, George.
- Plotkin, Norman A.--Correspondence.
- Plumb, Edward Lee, 1827-1912.
- Plumb, J. H. (John Harold), 1911-2001--Correspondence.
- Plume, S. W.
- Plumer, Daniel, 1770-1852--Correspondence.
- Plumer, Sarah--Correspondence.
- Plumer, William, 1759-1850.
- Plumer, William, 1789-1854--Correspondence.
- Plummer, Christopher--Correspondence.
- Plummer, William S.--Correspondence.
- Plunkett, Horace Curzon, Sir, 1854-1932--Correspondence.
- Plympton, Joseph--Correspondence.
- Pobedonost︠s︡ev, Konstantin Petrovich, 1827-1907--Correspondence.
- Podhoretz, Norman--Correspondence.
- Poe, Edgar Allan, 1809-1849.
- Poe, Elisabeth Ellicott, 1886-1947--Correspondence.
- Poe, O. M. (Orlando Metcalfe), 1832-1895.
- Poetry Society of America.
- Poillon, Howard Andrews, 1879-1954--Correspondence.
- Poindexter, George, 1779-1853.
- Poindexter, John M.
- Poindexter, John M.--Interviews.
- Poindexter, Miles, 1868-1946--Correspondence.
- Poinsett, Joel Roberts, 1779-1851.
- Poinsett, Joel Roberts, 1779-1851--Correspondence.
- Point, Fernand--Correspondence.
- Point Lookout Prison Camp for Confederates.
- Polak, Clark P., 1937-1980--Correspondence.
- Polaris (Ship).
- Poletti, Charles.
- Poletti Freidin Prashker Feldman & Gartner.
- Poling, Daniel A. (Daniel Alfred), 1884-1968--Correspondence.
- Poling, Otho C.--Correspondence.
- Polish-American Enterprise Fund. .
- Polish-American Society.
- Polite, Samuel.
- Politte, Joe.
- Polk family.
- Polk, Frank L. (Frank Lyon), 1871-1943--Correspondence.
- Polk, James K. (James Knox), 1795-1849.
- Polk, James K. (James Knox), 1795-1849--Autographs.
- Polk, James K. (James Knox), 1795-1849--Correspondence.
- Polk, James K. (James Knox), 1795-1849--Inauguration, 1845.
- Polk, Leonidas, 1806-1864--Correspondence.
- Polk, Sarah Childress, 1803-1891.
- Polk, Sarah Childress, 1803-1891--Correspondence.
- Pollack, Francis L.--Correspondence.
- Pollack, Herman W.
- Pollack, Peter, 1909-1978--Correspondence.
- Pollak, Louis H.--Correspondence.
- Pollard, J. P. (Joseph Percival), Mrs.
- Pollard, Jonathan Jay, 1954-.
- Pollitzer, Anita, 1894-1975.
- Pollock, Channing, 1880-1946.
- Pollock, John C., 1857-1937--Correspondence.
- Pomerene, Atlee, 1863-1937--Correspondence.
- Pomeroy, S. C. (Samuel Clarke), 1816-1891--Correspondence.
- Ponce, Manuel M. (Manuel María), 1882-1948.
- Pond, James B. (James Burton), 1838-1903--Correspondence.
- Ponder, Henry, 1928- --Correspondence.
- Pons, Lily, 1898-1976--Correspondence.
- Ponselle, Rosa, 1897-1981--Correspondence.
- Ponselle, Rosa, 1897-1981--Photographs.
- Ponti, Gio, 1891-1979.
- Poole, Anita.
- Poor, Alfred Easton, 1899-1988.
- Poor, Benjamin Perley--Correspondence.
- Poor, Henry V.--Correspondence.
- Poor, Henry Varnum, 1887-1970--Correspondence.
- Poore, Benjamin Perley, 1820-1887--Correspondence.
- Pope, John, 1822-1892.
- Pope, John, 1822-1892--Correspondence.
- Pope, John Russell, 1874-1937.
- Pope, R. E. (Ralph Elton), 1875-1959--Correspondence.
- Poplar Forest (Va.).
- Popp, Lucia--Portraits.
- Population Reference Bureau.
- Populist Party (U.S.).
- Portack, Hans--Correspondence.
- Porter, Cole, 1891-1964.
- Porter, Cole, 1891-1964--Correspondence.
- Porter, Cole, 1891-1964--Manuscripts.
- Porter, David, 1780-1843.
- Porter, David, 1780-1843--Correspondence.
- Porter, David D. (David Dixon), 1813-1891.
- Porter, David D. (David Dixon), 1813-1891--Correspondence.
- Porter, David Rittenhouse, 1788-1867.
- Porter, David Rittenhouse, 1788-1867--Correspondence.
- Porter, Evelina Anderson, 1790-1871--Correspondence.
- Porter family.
- Porter, Fitz-John, 1822-1901.
- Porter, Fitz-John, 1822-1901--Correspondence.
- Porter, George Ann Patterson--Correspondence.
- Porter, Horace, 1837-1921.
- Porter, Horace, 1837-1921--Correspondence.
- Porter, John Addison, 1856-1900--Correspondence.
- Porter, John L. (John Luke), 1813-1893--Correspondence.
- Porter, Katherine Anne, 1890-1980.
- Porter, Katherine Anne, 1890-1980--Correspondence.
- Porter, Katherine Anne, 1890-1980--Political and social views.
- Porter, Paul Aldermandt, 1904-1975--Correspondence.
- Porter, Peter B. (Peter Buell), 1773-1844--Correspondence.
- Porter, Quincy, 1897-1966--Correspondence.
- Porter, Sophie K. McHarg, d. 1903--Correspondence.
- Porter, Wilbur A.--Correspondence.
- Porter, Wm. D. (William Dennison), 1810-1883--Correspondence.
- Portier, Michael, 1795-1859--Correspondence.
- Portsmouth (Sloop of war).
- Post, Alice Thacher, 1853-1947.
- Post, Charles K.--Correspondence.
- Post, Louis F. (Louis Freeland), 1849-1928.
- Post, Louis F. (Louis Freeland), 1849-1928--Correspondence.
- Post, Waldron Kintzing, 1868-1955--Correspondence.
- Post, Wiley, 1898-1935.
- Postal Telegraph-Cable Company.
- Potomac (Frigate).
- Potomac Institute (Washington, D.C.).
- Potsdam Conference (1945).
- Pott, Herbert, ca. 1886-1945--Correspondence.
- Potter, Charles--Correspondence.
- Potter, Cora Urquhart, 1857-1936--Correspondence.
- Potter, David Morris--Correspondence.
- Pottinger, J. Stanley, 1940- --Correspondence.
- Potts, Stacy G. (Stacy Gardner), 1799-1865--Correspondence.
- Poulenc, Francis, 1899-1963.
- Poulenc, Francis, 1899-1963--Correspondence.
- Poulenc, Francis, 1899-1963--Photographs.
- Pound, Dorothy--Correspondence.
- Pound, Ezra, 1885-1972.
- Pound, Ezra, 1885-1972--Correspondence.
- Pound, Roscoe, 1870-1964--Correspondence.
- Poushkin Society in America.
- Poussaint, Renee.
- Powderly, Terence Vincent, 1849-1924--Correspondence.
- Powel, Mary Edith, 1846-1931.
- Powel, Samuel, 1818-1885--Correspondence.
- Powell, A. Clayton (Adam Clayton), 1865-1953--Correspondence.
- Powell, Adam Clayton, 1908-1972.
- Powell, Adam Clayton, 1908-1972--Correspondence.
- Powell, Charles Percy, 1899-1982.
- Powell, Colin L.
- Powell, Colin L.--Correspondence.
- Powell, E. Alexander (Edward Alexander), 1879-.
- Powell, Edward A.--Correspondence.
- Powell family.
- Powell family--Correspondence.
- Powell, Fred Wilbur, 1881-1943.
- Powell, J. H. (John Harvey), 1914-1971--Correspondence.
- Powell, Jessie Northrup--Correspondence.
- Powell, Jessie Northrup--Diaries.
- Powell, John Wesley, 1834-1902--Correspondence.
- Powell, Laurence, 1899-1990--Correspondence.
- Powell, Levin M., 1800-1885--Correspondence.
- Powell, Lewis F., 1907-1998--Correspondence.
- Powell, Lucy--Correspondence.
- Powell, Maud, 1867-1920--Correspondence.
- Powell, Paulus P.
- Powell, Sophy Hulsizer, d. 1937.
- Power, Tyrone, 1869-1931.
- Powers, Grover Francis, 1887-1968--Correspondence.
- Powers, William T. (William Treval), 1926- --Correspondence.
- Powhatan (Side-wheel steamer).
- Pranger, Robert J.--Correspondence.
- Pratt, Albert M.--Correspondence.
- Pratt, Bela Lyon, 1867-1917.
- Pratt family.
- Pratt, Fletcher, 1897-1956.
- Pratt, H. C. (Henry Conger), 1882-1966--Correspondence.
- Pratt, Harry E. (Harry Edward), 1901-1956--Correspondence.
- Pratt, James J.--Correspondence.
- Pratt, John--Correspondence.
- Pratt, Sarah Whittlesey--Correspondence.
- Pratt, Thomas George, 1804-1869--Correspondence.
- Pratt, William Veazie, 1869-1957--Correspondence.
- Prawy, Marcel, 1911-2003--Correspondence.
- Prawy, Marcel, 1911-2003--Portraits.
- Pray, Charlie.
- Prayer Pilgrimage for Freedom (1957 : Washington, D.C.).
- Preble, Ebenezer, 1757-1817--Correspondence.
- Preble, Edward, 1761-1807.
- Preble, Edward Alexander, 1871-1957--Correspondence.
- Preble family.
- Preble, George Henry, 1816-1885--Correspondence.
- Preble, Henry, 1770-1825--Correspondence.
- Preble, Mary--Correspondence.
- Preetorius, Emil, 1827-1905.
- Pregoneros del Puerto.
- Preminger, Otto.
- Prentice, George D. (George Denison), 1802-1870--Correspondence.
- Prentiss, Benjamin M. (Benjamin Mayberry), 1819-1901--Correspondence.
- Presbyterian Church in the U.S.A. (New School). Presbytery of the District of Columbia.
- Presbyterian Church in the U.S.A. Presbytery of Potomac.
- Presbyterian Church in the U.S.A. Presbytery of Washington City.
- Prescott, Allen.
- Prescott, Allen--Archives.
- Prescott, Allen--Photographs.
- Prescott, William Hickling, 1796-1859--Correspondence.
- President-elect's Advisory Task Force on Science and Technology.
- President (Frigate).
- President's Club.
- President's Conference on Home Building and Home Ownership (1931 : Washington, D.C.).
- President's Council on Pennsylvania Avenue (U.S.).
- Presidential Oil Commission.
- Presley, Elvis, 1935-1977.
- Press Productions, Inc.
- Press, Samuel D.--Correspondence.
- Press, Sylvia.
- Preston family.
- Preston, William Ballard, 1805-1862.
- Preston, William Ballard, 1805-1862--Correspondence.
- Preston, William C. (William Campbell), 1794-1860--Correspondence.
- Prettyman, E. Barrett, (Elijah Barrett), 1891-1971--Correspondence.
- Prettyman, E. Barrett (Elijah Barrett), 1925- --Interviews.
- Previn, André, 1929- --Portraits.
- Prévost, Augustine, ca. 1725-1786.
- Prevots, Naima, 1935- --Correspondence.
- Price, Bruce, 1845-1903.
- Price, Charles Frederick Berthold, 1881- --Correspondence.
- Price, Don Krasher--Correspondence.
- Price, Eli K. (Eli Kirk), 1797-1884.
- Price, Ernest Batson, 1890- --Correspondence.
- Price family.
- Price family--Correspondence.
- Price, G. Baley (Griffith Baley), 1905- --Correspondence.
- Price, Hollis F., 1904- --Correspondence.
- Price, John H., fl. 1861-1865.
- Price, Mary Grant.
- Price, Melvin, 1905-1988--Correspondence.
- Price, Raymond K. (Raymond Kissam), 1930-.
- Price, Rodman M. (Rodman McCamley), 1816-1894--Correspondence.
- Price, Vincent, 1911-1993.
- Price, Waterhouse & Co.
- Price, William George, 1833-1885.
- Price, William George, 1867-1944.
- Priel, Jarl--Correspondence.
- Priestley, Joseph, 1733-1804.
- Priestley, Joseph, 1733-1804--Correspondence.
- Prime, William Cowper, 1825-1905--Correspondence.
- Primrose, Christine.
- Prince, Christopher, 1751-1832.
- Prince family.
- Prince, Harold, 1928- --Correspondence.
- Prince, Hezekiah, 1771-1840.
- Prince, Isabella Coombs.
- Prince, James, fl. 1806--Correspondence.
- Prince, John Dyneley, 1868-1945--Correspondence.
- Princeton (Steamship).
- Princeton Theological Seminary.
- Princeton University.
- Princeton University Press.
- Princeton University--Students.
- Principal Film Exchange.
- Pringle, Aileen, 1895-1989--Correspondence.
- Pringle, Aileen, b. 1895.
- Pringle, Elizabeth--Correspondence.
- Pringle, Henry F. (Henry Fowles), 1897-1958.
- Pringle, Joel Roberts Poinsett, 1873-1932--Correspondence.
- Pritchett, Henry S. (Henry Smith), 1857-1939.
- Pritchett, Henry S. (Henry Smith), 1857-1939--Correspondence.
- Probasco, Maud Ingersoll--Correspondence.
- Procopé, Hjalmar Johan Fredrik, 1889-1954--Correspondence.
- Proctor, Edward Dean--Correspondence.
- Proctor, Redfield, 1831-1908--Correspondence.
- Proffitt, Frank.
- Progressive Citizens of America.
- Progressive National Committee Supporting Franklin D. Roosevelt for President.
- Progressive Party (1912).
- Progressive Party (U.S. : 1948).
- Progressive Republican League of Illinois.
- Prohibition Party (U.S.).
- Project Apollo (U.S.).
- Project Forecast.
- Project Gemini (U.S.).
- Project Hope.
- Project Mercury (U.S.).
- Project Rand (United States. Air Force).
- Prokofiev, Sergey, 1891-1953.
- Prokofiev, Sergey, 1891-1953--Correspondence.
- Prokofiev, Sergey, 1891-1953--Portraits.
- Prokosch, Frederic, 1908-1989.
- Prophecy: Cops for Christ (Musical group).
- Providence Hospital (Washington, D.C.).
- Providence (Privateer).
- Provincetown Players.
- Proxmire, William--Correspondence.
- Prudential Insurance Company of America.
- Prunières, Henry, 1886-1942--Correspondence.
- Pruyn family.
- Pryor family--Correspondence.
- Pryor, John C. (John Carlisle), 1883-1979--Correspondence.
- Pryor, Samuel F. (Samuel Frazier), b. 1898--Correspondence.
- Psychoanalytic Association of New York.
- Psychological Center (Paris, France).
- Psychological Corporation.
- Psychological Strategy Board (U.S.).
- Public International Law and Policy Group. Balkan Action Council. .
- Public Welfare Association.
- Puccini, Giacomo, 1858-1924--Autographs.
- Puccini, Giacomo, 1858-1924--Correspondence.
- Puerto Rico.
- Puerto Rico. Dept. of Justice.
- Puerto Rico. Governor.
- Puerto Rico. Insular Board of Education.
- Pugh, Evan, 1828-1864.
- Pugh, Herbert Lamont, 1895-.
- Pugh, Jerry Lee--Trials, litigation, etc.
- Pugwash Conference on Science and World Affairs.
- Pułaski, Kazimierz, 1747-1779.
- Puleston, W. D. (William Dilworth), b. 1881.
- Pulis, Joseph--Correspondence.
- Pulitzer family.
- Pulitzer family--Correspondence.
- Pulitzer, Joseph, 1847-1911.
- Pulitzer, Joseph, 1885-1955.
- Pulitzer, Joseph, 1885-1955--Correspondence.
- Pulitzer, Joseph, 1913-1993--Correspondence.
- Pulitzer Prize Board (Columbia University).
- Pulitzer, Ralph, 1879-1939--Correspondence.
- Pullman, Albert B.--Correspondence.
- Pullman Company.
- Pullman, George H.--Correspondence.
- Pullman, George Mortimer, 1831-1897.
- Pullman, George Mortimer, 1831-1897--Correspondence.
- Pumpelly, Raphael, 1837-1923--Correspondence.
- Purdue University--Students.
- Purdy, Elsa Toennies.
- Purdy, Frederick H.
- Purdy, Ray Foote.
- Purdy, Ray Foote, 1889-1965.
- Purington, Chester Wells, b. 1871--Correspondence.
- Purnell, William Henry, 1826-1902--Correspondence.
- Pursell, R. Roy--Correspondence.
- Purves, Alexander, d. 1905--Correspondence.
- Purves, Edmund Randolph, 1897-1964.
- Purves, Helen Ogden--Correspondence.
- Purves, Robert Ogden, 1895-1976--Correspondence.
- Purviance, James H.--Correspondence.
- Purvis, Charles Burleigh, 1842-1929.
- Purvis family--Correspondence.
- Purvis, Richard--Manuscripts.
- Puryear, Mahlon T.
- Pusey, Merlo J. (Merlo John), 1902-1985.
- Pusey, Nathan M. (Nathan Marsh), 1907-2001--Correspondence.
- Pushkin, Aleksandr Sergeevich, 1799-1837.
- Pushkin, Georgi M.
- Putnam, F. W. (Frederic Ward), 1839-1915--Correspondence.
- Putnam, George Haven, 1844-1930--Correspondence.
- Putnam, Glendora M., 1923- --Correspondence.
- Putnam, Harold, 1916- --Correspondence.
- Putnam, Harrington, 1851-1937.
- Putnam, Herbert, 1861-1955--Correspondence.
- Putnam, Israel, 1718-1790--Correspondence.
- Putnam, Palmer Cosslett, 1900- --Correspondence.
- Putnam, Phelps, 1894-1948--Correspondence.
- Putnam, William L. (William Le Baron), 1835-1918--Correspondence.
- Pyle, Ernie, 1900-1945--Correspondence.
- Pym, Francis, 1922-2008--Correspondence.
- Pynchon, Thomas.