Library of Congress collections described by finding aids. Listed by collection titles and by names of creators and collectors.
H
- H. Kent Hewitt papers, 1903-1972.
- H. Vose Greenough Jr. Collection, papers from the collection, 1937-1972.
- Habib, Philip Charles, 1920- Philip Charles Habib interview.
- Hack, Charles W. Charles W. Hack papers, circa 1800-1926.
- Hadley, Lucia Hanna. Lucia Hanna Hadley papers. 1939-1949.
- Hagedorn, Hermann, 1882-1964. Hermann Hagedorn papers, 1912-1933.
- Haig, Alexander Meigs, 1924-2010. Alexander Meigs Haig papers, 1962-1982.
- Halberstam, David. David Halberstam interview.
- Hale, Edward Everett, 1822-1909. Edward Everett Hale papers.
- Hale family. Hale family papers, 1698-1916.
- Hale family papers, 1698-1916.
- Hale, Margaret Halliwell. Margaret Halliwell Hale papers, 1932-1945.
- Hale, Nathan, 1784-1863. Nathan Hale papers.
- Halford, Elijah Walker, 1843-1938. Elijah Walker Halford papers, 1848-1938.
- Hall, Asaph, 1829-1907. Asaph Hall papers, 1837-1983.
- Hall, Asaph, 1859-1930. Asaph Hall papers.
- Hall, Eleanor Kellogg Taft, 1918- Eleanor Kellogg Taft Hall papers.
- Halleck, H. W. (Henry Wager), 1815-1872. H.W. Halleck papers, 1843-1896.
- Hallen, Brian, 1939- Brian Hallen oral history interview.
- Halsey, Edwin A. (Edwin Alexander), b. 1881. Edwin A. Halsey papers, 1930-1946.
- Halsey McGovern papers, 1945-1983.
- Halsey, William Frederick, 1882-1959. William Frederick Halsey papers, 1907-1959.
- Halsted B. VanderPoel literary collection, 1815-1929.
- Hambitzer, Charles, d. 1918. Charles Hambitzer music manuscripts, circa 1910-1918.
- Hamilton, Alexander, 1757-1804. Alexander Hamilton papers, 1708-1903.
- Hamilton Fish papers, 1732-1914.
- Hamilton, Florence. Florence Hamilton collection relating to Edwin Markham, 1857-1959.
- Hamilton, Frank Hastings, 1813-1886. Frank Hastings Hamilton papers, 1863-1887.
- Hamilton, Virginia, 1936-2002. Virginia Hamilton papers, 1938-2003.
- Hamlin, Anna, d. 1925. Anna Hamlin papers.
- Hamlin, Charles S. (Charles Sumner), 1861-1938. Charles S. Hamlin papers, 1869-1968.
- Hamlin, Huybertie Pruyn, 1873-1964. Huybertie Pruyn Hamlin papers.
- Hammer, Armand, 1898-1990. Armand Hammer papers, circa 1508-1989.
- Hammond, James Henry, 1807-1864. James Henry Hammond papers, 1774-1875.
- Hammond, John Hays, 1888-1965. John Hays Hammond papers, 1908-1965.
- Hampton family. Wade Hampton family papers, 1855-1935.
- Hampton, Vernon Boyce, 1897- Vernon Boyce Hampton papers, 1872-1971.
- Hampton, Wade, 1818-1902. Wade Hampton family papers, 1855-1935.
- Hand, Catharine Worthington Fowler, 1801-1865. Catharine Worthington Fowler Hand papers.
- Hand family. John Aldrich Stephenson collection of the Hand, Fiske, and Aldrich families papers. 1745-1966.
- Hand, Joseph Winborn, 1792-1844. Joseph Winborn Hand papers.
- Hand, Learned, 1872-1961. Learned Hand trial summaries, 1909-1924.
- Hanley collection, 1931-1937.
- Hanna family. Hanna-McCormick family papers, 1792-1985.
- Hanna, Marcus Alonzo, 1837-1904. Marcus Alonzo Hanna papers.
- Hanna-McCormick family papers, 1792-1985.
- Hannah Arendt papers, 1898-1977.
- Hannah G. Solomon papers, 1817-1986.
- Hans Hermann Carl Ludwig, Graf von Berlepsch, correspondence, 1874-1913.
- Hans J. Morgenthau papers, 1858-1981.
- Hans Peter Kraus collection of Spanish American documents, 1433-1966.
- Hanson Weightman Baldwin papers, 1920-1978.
- Hapgood, Elizabeth Reynolds. Norman Hapgood and Elizabeth Reynolds Hapgood papers. 1824-1977.
- Hapgood, Norman, 1868-1937. Norman Hapgood and Elizabeth Reynolds Hapgood papers, 1824-1977.
- Harding, T. Swann (Thomas Swann), 1890- T. Swann Harding papers, 1918-1963.
- Hardy, D. Heywood (Dermot Heywood), 1893-1982. D. Heywood Hardy papers, 1913-1924.
- Harlan Fiske Stone papers, 1889-1953.
- Harlan, James, 1800-1863. James Harlan papers. 1810-1863.
- Harlan, John Marshall, 1833-1911. John Marshall Harlan papers, 1810-1971.
- Harman Blennerhassett papers, 1755-1866.
- Harmon Foundation, inc. Harmon Foundation, inc., records, 1913-1967.
- Harmon Foundation, inc., records, 1913-1967.
- Harms, Carl, 1910- Carl Harms papers, 1940-1946.
- Harned, Thomas Biggs, b. 1851. Thomas Biggs Harned collection of Walt Whitman papers, 1842-1937.
- Harold Bauer collection, 1880-1951.
- Harold C. Conklin Philippine collection, 1955-1995.
- Harold C. Fleming papers, 1950-1993.
- Harold Foote Gosnell papers, 1931-1962.
- Harold Frederic papers, 1891-1897.
- Harold Gardiner Bowen papers, 1907-1977.
- Harold H. Burton papers, 1792-1965.
- Harold H. Greene papers, 1951-2001.
- Harold L. Ickes papers, 1815-1969.
- Harold Leventhal papers, 1932-1980.
- Harold Raymond Wayne Benjamin papers, 1908-1972.
- Harold Spivacke collection, 1923-1984.
- Harold Sunde papers, 1925-1948.
- Harper's magazine records, 1847-1983.
- Harrell V. Noble papers, 1923-2003.
- Harriet Hoctor collection, 1917-1972.
- Harriet Winslow collection of Nadia Boulanger materials, 1956-1964.
- Harriman, Florence Jaffray, 1870-1967. Florence Jaffray Hurst Harriman papers, 1857-1982.
- Harriman, W. Averell (William Averell), 1891-1986. W. Averell Harriman papers, 1869-1988.
- Harrington, Oliver W. (Oliver Wendell), 1912- Oliver W. Harrington drawings.
- Harrington Putnam papers, 1909-1928.
- Harriot Stanton Blatch papers, 1907-1915.
- Harris, Patricia, 1924-1985. Patricia Harris papers, 1950-1983.
- Harris, Roy, 1898-1979. Roy Harris papers, 1893-1998.
- Harrison, Anne Blaine, 1918-1977. Anne Blaine Harrison papers.
- Harrison, Benjamin, 1833-1901. Benjamin Harrison papers, 1780-1948.
- Harrison, Burton, Mrs., 1843-1920. Mrs. Burton Harrison papers.
- Harrison, Burton Norvell, 1838-1904. Burton Norvell Harrison family papers, 1812-1926.
- Harrison, Fairfax, 1869-1938. Fairfax Harrison papers.
- Harrison family. Burton Norvell Harrison family papers, 1812-1926.
- Harrison family. Short-Harrison-Symmes families papers, 1760-1878.
- Harrison, Francis Burton, 1873-1957. Francis Burton Harrison papers.
- Harrison, Gilbert A. Gilbert A. Harrison papers, 1902-1978.
- Harrison, J. B. (Jesse Burton), 1805-1841. J.B. Harrison papers.
- Harrison, James O., 1804-1888. James O. Harrison papers, 1803-1912.
- Harrison, John Cleves Symmes, 1798-1830. John Cleves Symmes Harrison papers.
- Harrison, John Scott, 1804-1878. John Scott Harrison papers.
- Harrison, Samuel Jordan, 1771-1846. Samuel Jordan Harrison papers.
- Harrison, William Henry, 1773-1841. William Henry Harrison papers.
- Harrison, William Henry, 1773-1841. William Henry Harrison papers, 1734-1939.
- Harrison, William Henry, 1802-1838. William Henry Harrison papers.
- Harry A. Blackmun papers, 1913-2001.
- Harry Augustus Garfield papers, 1855-1961.
- Harry E. Yarnell papers, 1909-1958.
- Harry Frank Guggenheim papers, 1900-1972.
- Harry Freud papers, 1910-1969.
- Harry G. Barnes papers, 1978-1988.
- Harry Innes papers, 1754-1900.
- Harry N. Sargent papers, 1917-1920.
- Harry Payne Whitney collection of letters of William Collins Whitney, 1757-1942.
- Harry S. Cummings papers, 1890-1986.
- Harry W. Frantz papers, 1919-1965.
- Harry Wexler papers, 1929-1962.
- Harshaw, Ruth Hetzel, 1897-1968. Ruth Hetzel Harshaw papers, 1947-1967.
- Hart, Ira. Ira Hart sermon notes.
- Hart, Stanley. George Antheil correspondence to Stanley Hart. 1919-1931.
- Hartmann, Dora, 1902-1974. Heinz Hartmann and Dora Hartmann papers. 1928-1974.
- Hartmann, Heinz, 1894-1970. Heinz Hartmann and Dora Hartmann papers, 1928-1974.
- Hartmann, Heinz, 1894-1970. Heinz Hartmann oral history interview.
- Hartt, Charles Frederick, 1840-1878. Charles Frederick Hartt papers.
- Harvey, Charles Henry, 1830-1896. Charles Henry Harvey papers, 1835-1965.
- Harvey, Joanne. Joanne Harvey papers.
- Harvey Washington Wiley papers, 1854-1954.
- Harvey, Winfield S. Winfield S. Harvey papers.
- Harwood family. Harwood family papers, 1767-1940.
- Harwood family papers, 1767-1940.
- Hasse, Adelaide Rosalia, 1868-1953. Adelaide Rosalia Hasse papers, 1862-1951.
- Hasson, Esther Voorhees, 1867-1942. Esther Voorhees Hasson journal. 1899.
- Haupt, Herman, 1817-1905. Herman Haupt letterbook. 1861-1863.
- Haupt, Lewis M. (Lewis Muhlenberg), b. 1844. Lewis M. Haupt papers, 1849-1923.
- Hawley, Harriet Ward Foote, 1831-1886. Harriet Ward Foote Hawley papers.
- Hawley, Joseph R. (Joseph Roswell), 1826-1905. Joseph R. Hawley papers, 1638-1906.
- Haworth, Leland J. (Leland John), 1904- Leland J. Haworth papers, 1944-1977.
- Hay, John, 1838-1905. John Hay papers.
- Hay, John, 1838-1905. John Hay papers, 1783-1999.
- Hayden, Alfred, b. 1894. Alfred Hayden papers.
- Hayden, Edward Everett, 1858-1932. Edward Everett Hayden family papers, 1817-1963.
- Hayden family. Edward Everett Hayden family papers, 1817-1963.
- Hayden, Herbert B. (Herbert Bainbridge), 1885-1969. Herbert B. Hayden papers.
- Hayden, Mary Bainbridge, b. 1895. Mary Bainbridge Hayden papers.
- Hayden, Reynolds, b. 1883. Reynolds Hayden papers.
- Hayden, William, 1795-1880. William Hayden papers.
- Haydn, Hiram Collins, 1907-1973. Hiram Collins Haydn papers, 1874-1978.
- Hayes, Hammond Vinton, 1860-1947. Hammond Vinton Hayes papers.
- Haymes, Joe, 1907-1964. Joe Haymes big band arrangements, 1920-1960.
- Haynsworth, Clement F. (Clement Furman), 1912-1989. Clement F. Haynsworth papers, 1886-1989.
- Hazam, Louis Jay, 1911-1983. Louis Jay Hazam papers, 1937-1977.
- H.C. Taylor papers, 1862-1904.
- Head, Henry William Nugent, 1898-1964. Henry William Nugent Head papers. 1940-1955.
- Heath, Perry S. (Perry Sanford), 1857-1927. Perry S. Heath papers, 1890-1983.
- Heckscher, August, 1913-1997. August Heckscher papers, 1931-1999.
- Hedgeman, Anna Arnold, 1899-1990. Anna Arnold Hedgeman papers, 1944-1952.
- Hedrick Smith papers, 1923-1992.
- Heifetz collection, 1802-1987.
- Heifetz, Jascha, 1901-1987. Jascha Heifetz collection, 1802-1987.
- Heintzelman, Samuel Peter, 1805-1880. Samuel Peter Heintzelman papers, 1822-1913.
- Heinz Hartmann and Dora Hartmann papers, 1928-1974.
- Helen Keller papers, 1842-1954.
- Heller, Peter, 1920- Peter Heller papers, 1925-1992.
- Helm, Edith Benham, 1874-1962. Edith Benham Helm papers, 1915-1961.
- Helm, Jeanette I. Jeanette I. Helm papers.
- Helms, Jesse. Jesse Helms oral history interview.
- Hemingway, Ernest, 1899-1961. A.E. Hotchner/Ernest Hemingway collection. 1944-1968.
- Henderson, James Houston, 1878-1935. James Houston Henderson papers, 1913-1920.
- Henderson, Loy W. (Loy Wesley), 1892-1986. Loy W. Henderson papers, 1918-1984.
- Henderson, Luther, 1919-2003. Luther Henderson papers, circa 1930-2003.
- Hendrik Christian Andersen papers, 1844-1940.
- Henri Giffard papers, 1852-1910.
- Henry A. Wallace papers, 1931-1945.
- Henry A. Willard II collection, 1743-1888.
- Henry Aaron Hill papers, 1867-1979.
- Henry Bartholomew Cox collection, 1492-1960.
- Henry Brandon papers, 1939-1994.
- Henry Clark Corbin papers, 1864-1980.
- Henry Clay Derrick papers, 1848-1994.
- Henry Clay family papers, 1732-1927.
- Henry Croskey Mustin papers, 1886-1924.
- Henry Dumont and Nina Webster Dumont papers, 1905-1943.
- Henry F. Pringle papers, 1932-1957.
- Henry Harley Arnold papers, 1903-1989.
- Henry Jackson Hunt papers, 1841-1978.
- Henry Justin Allen papers, 1896-1942.
- Henry L. Abbot family papers, 1770-2001.
- Henry M. Robert papers, 1853-1937.
- Henry Morgenthau papers, 1795-1941.
- Henry Northrup Castle family papers, 1394-1920.
- Henry Pelham Holmes Bromwell papers, 1794-1929.
- Henry Putney Beers papers, 1910-1992.
- Henry Robinson Luce papers, 1917-1967.
- Henry Rowe Schoolcraft papers, 1788-1941.
- Henry S. Pritchett papers, 1876-1967.
- Henry Shapiro papers, 1920-1992.
- Henry T. Allen papers, 1806-1933.
- Henry T. Mayo papers, 1866-1972.
- Henry Thomas Rainey papers, 1904-1934.
- Henry Walker correspondence, 1861-1864.
- Henry Ward Beecher papers, 1836-1886.
- Henry Ware Lawton papers, 1849-1930.
- Henry Watterson papers, 1863-1920.
- Henry White Edgerton papers, 1910-1970.
- Henry White papers, 1812-1931.
- Henry William Ellsworth papers, 1796-1886.
- Henry Woodhouse collection relating to George Washington, 1656-1930.
- Henryk Szeryng collection, 1933-1988.
- Hensley, Stewart, 1913-1976. Stewart Hensley papers, 1936-1975.
- Herbert A. Philbrick papers, 1849-1997.
- Herbert Bain Knowles papers, 1941-1945.
- Herbert Benjamin papers, 1915-2004.
- Herbert Block papers, 1863-2002.
- Herbert Corey papers, 1847-1954.
- Herbert L. Kirk collection, circa 1870-1993.
- Herbert, Victor, 1859-1924. Victor Herbert collection, 1880-1939.
- Hergesheimer, Joseph, 1880-1954. Joseph Hergesheimer papers.
- Herman Hollerith papers, 1850-1982.
- Herman K. Crofoot collection of Francis Elias Spinner papers, 1792-1908.
- Herman Langinger music publishing files, 1889-1972.
- Hermann Hagedorn papers, 1912-1933.
- Herndon family. Charles Pinkerton collection of Arthur and Herndon family papers, 1822-1938.
- Herndon-Weik collection of Lincolniana, circa 1824-1933.
- Herndon, William Henry, 1818-1891. William Henry Herndon papers. 1849-1891.
- Herold J. Wiens collection, 1939-1971.
- Hewitt, H. Kent (Henry Kent), 1887-1972. H. Kent Hewitt papers, 1903-1972.
- Hicks, W. L. (Washington L.), d. 1885 W.L. Hicks diary and correspondence. 1861-1866.
- Hilary Pollard Jones papers, 1889-1937.
- Hildegard Thompson papers, 1951-1974.
- Hildenbrand, William F. William F. Hildenbrand oral history interview.
- Hileman, Grace. Grace Hileman correspondence. 1923-1936.
- Hill, Frank Alden. Frank Alden Hill genealogical collection, 1627-1897.
- Hill, Henry Aaron, 1915-1979. Henry Aaron Hill papers, 1867-1979.
- Hillard, Harriet Low, 1809-1877. Harriet Low Hillard papers.
- Hines, Lewis Graham, 1888-1960. Lewis Graham Hines papers, 1916-1959.
- Hiram Collins Haydn papers, 1874-1978.
- Historical Society of the District of Columbia Circuit. Oral History Project. Historical Society of the District of Columbia Circuit. Oral History Project oral history interviews, 1991-2004.
- Historical Society of the District of Columbia Circuit. Oral History Project oral history interviews, 1991-2004.
- Hitchcock, Ethan Allen, 1798-1870. Ethan Allen Hitchcock papers, 1793-1888.
- Hitchcock, Gilbert M. (Gilbert Monell), 1859-1934. Gilbert M. Hitchcock papers, 1910-1935.
- Hitchcock, Samuel, 1808-1851. Samuel Hitchcock papers.
- Hobby, Oveta Culp, 1905-1995. Oveta Culp Hobby papers, 1941-1997.
- Hobson, Richmond Pearson, 1870-1937. Richmond Pearson Hobson papers, 1889-1966.
- Hoctor, Harriet. Harriet Hoctor collection, 1917-1972.
- Hodges collection, circa 1790-circa 1909.
- Hodges family collection, circa 1790-circa 1909.
- Hodges family. Hodges family collection, circa 1790-circa 1909.
- Hodges, Samuel, 1792-1828. Samuel Hodges papers, 1822-1827.
- Hoe, Peter Smith, 1821-1902. Peter Smith Hoe papers.
- Hoe, Richard March, 1812-1886. Richard March Hoe papers.
- Hoe, Robert, 1815-1884. Robert Hoe papers.
- Hoe, Robert, 1839-1909. Robert Hoe papers.
- Hoes, Roswell Randall, 1850-1921. Roswell Randall Hoes papers, 1799-1912.
- Hoffer, Willi. Willi Hoffer oral history interview.
- Hoffmann, Frank Nordy. Frank Nordy Hoffmann oral history interview.
- Holden Chester Richardson papers, 1844-1946.
- Holker, John, 1745-1822. John Holker papers, 1777-1822.
- Hollerith, Herman, 1860-1929. Herman Hollerith papers, 1850-1982.
- Hollins, John. John Hollins papers.
- Hollins, Robert. Robert Hollins papers.
- Hollins, Thomas. Thomas Hollins papers.
- Holmes, Oliver Wendell, 1809-1894. Oliver Wendell Holmes papers, 1837-1931.
- Holt, Joseph, 1807-1894. Joseph Holt papers, 1817-1895.
- Holt, Pat M. Pat M. Holt oral history interview.
- Holten, Samuel, 1738-1816. Samuel Holten papers, 1630-1843.
- Homburger, Freddy. Freddy Homburger papers, 1926-1990.
- Homer G. Smith papers, 1971-1987.
- Hooper, Edwin Bickford. Edwin Bickford Hooper papers, 1842-1986.
- Hooper, Samuel, 1808-1875. Samuel Hooper papers, 1829-1874.
- Hooper, Stanford Caldwell, 1884-1955. Stanford Caldwell Hooper papers, 1899-1955.
- Hoover, Irwin Hood, 1871-1933. Irwin Hood Hoover papers, 1909-1933.
- Hope, Bob, 1903-2003. Music from the Bob Hope collection, 1932-1997.
- Hope Ridings Miller papers, 1887-1998.
- Hopkins, Charlotte Everett. Charlotte Everett Hopkins collection of National Civic Federation. Woman's Department. District of Columbia Section records, 1900-1926.
- Hopkins, Cornelia Lee, 1780-1815. Cornelia Lee Hopkins papers.
- Hopper, Bruce C. (Bruce Campbell), 1892-1973. Bruce C. Hopper papers.
- Horace Callaway Carlisle poems, undated.
- Horace Capron papers, 1834-1961.
- Horace Greeley papers, 1812-1928.
- Horace H. Lurton papers, 1860-1915.
- Horace Porter papers, 1853-1922.
- Horace Traubel and Anne Montgomerie Traubel papers, 1824-1979.
- Horatio King papers, 1832-1906.
- Horne, Frederick Joseph, 1880-1959. Frederick Joseph Horne papers, 1893-1967.
- Horner, Frederick Cecil, 1887-1974. Frederick Cecil Horner papers, 1917-1960.
- Horner, G. R. B. (Gustavus Richard Brown), 1804-1892. G.R.B. Horner papers, 1826-1911.
- Horner, Mabel Carlton. Mabel Carlton Horner biography of Caleb Henry Carlton.
- Horsford-Tryon families papers, 1800-2000.
- Horton, Lester, 1906-1953. Lester Horton Dance Theater collection. 1918-1996.
- Hostos, Eugenio Carlos de, 1879-1959. Eugenio María de Hostos and Eugenio Carlos de Hostos. 1865-1990.
- Hostos, Eugenio María de, 1839-1903. Eugenio María de Hostos and Eugenio Carlos de Hostos papers. 1865-1990.
- Hotchkiss, Jedediah, 1828-1899. Jedediah Hotchkiss papers, 1835-1908.
- Hotchkiss, Sara Anne Comfort. Sara Anne Comfort Hotchkiss papers.
- Hotchner, A. E. A.E. Hotchner/Ernest Hemingway collection. 1944-1968.
- Houdry, Eugene Jules, 1892-1962. Eugene Jules Houdry papers, 1931-1980.
- House Democratic Caucus records, 1913-1999.
- House Democratic Caucus (U.S.). House Democratic Caucus records, 1913-1999.
- Housman, A. E. (Alfred Edward), 1859-1936. A.E. Housman papers, 1906-1940.
- Houston, Charles Hamilton, 1895-1950. Charles Hamilton Houston papers. 1871-1935.
- Houston family. William LePre Houston family papers, 1777-1936.
- Houston, William LePre. William LePre Houston family papers, 1777-1936.
- Howard, Barnett Allen, b. 1827. Barnett Allen Howard papers, 1885-1949.
- Howard Dearstyne papers, 1911-1988.
- Howard family. Howard-von Recum family papers, 1869-1972.
- Howard, Henry, Sir, 1843-1921. Howard-von Recum family papers, 1869-1972.
- Howard, Jack R. (Jack Rohe), 1910- Jack R. Howard papers.
- Howard, Roy Wilson, 1883-1964. Roy Wilson Howard papers, 1911-1966.
- Howard S. Liebengood papers, 1950-1982.
- Howard Teichmann papers, 1857-2001.
- Howard-von Recum family papers, 1869-1972.
- Howe, Julia Ward, 1819-1910. Julia Ward Howe papers, 1845-1917.
- Howe, Letitia T. Letitia T. Howe collection, 1822-1876.
- Hoxie, R. L. (Richard Leveridge), 1844-1930. Vinnie Ream and Richard Leveridge Hoxie papers. 1853-1937.
- Hubbard, Charlotte Moton, 1911-1994. Charlotte Moton Hubbard papers.
- Hubbard family papers, 1639-1925.
- Hubbard, Gardiner G. (Gardiner Greene), 1822-1897. Gardiner G. Hubbard papers. (2)
- Hubbard, Gertrude Mercer McCurdy, 1827-1909. Gertrude Mercer McCurdy Hubbard papers.
- Hubbard, Robert J. Lecture.
- Hubbard, Samuel, 1785-1847. Samuel Hubbard papers.
- Hubbard, Thomas H. (Thomas Hill), 1781-1857. Thomas H. Hubbard papers, 1817-1823.
- Hufstedler, Shirley M. Shirley M. Hufstedler papers, 1979-1981.
- Hugh Chisholm papers, 1917-1993.
- Hugh H. Smythe and Mabel M. Smythe papers, circa 1895-1997.
- Hugh Lenox Scott papers, 1582-1981.
- Hugh T. Taggart collection relating to the District of Columbia and Maryland, 1751-1889.
- Hughes, Charles Evans, 1862-1948. Charles Evans Hughes papers, 1836-1950.
- Hughes, David Charles, 1832-1909. David Charles Hughes papers.
- Hughes, Everett Strait, 1885-1957. Everett Strait Hughes papers, 1903-1975.
- Hughes, Langston, 1902-1967 Langston Hughes oral history interview.
- Hughes, Langston, 1902-1967. Langston Hughes papers. 1941-1945.
- Hughes, Robert Patterson, 1839-1909. Robert Patterson Hughes papers, 1876-1994.
- Hugo LaFayette Black papers, 1883-1976.
- Hugo Leichtentritt papers, 1888-1972.
- Hull, Cordell, 1871-1955. Cordell Hull papers, 1908-1956.
- Hull, R. F. C. (Richard Francis Carrington), 1913-1974. R.F.C. Hull papers.
- Hulsizer family. Hulsizer family papers, 1915-1941.
- Hulsizer family papers, 1915-1941.
- Hume Cronyn and Jessica Tandy papers, 1885-2007.
- Humphrey Marshall papers, 1771-2002.
- Humphrey, William E. (William Ewart), 1862-1934. William E. Humphrey papers, 1903-1936.
- Hunsberger, George S., 1914- George S. Hunsberger papers.
- Hunt, Henry Jackson, 1819-1889. Henry Jackson Hunt papers, 1841-1978.
- Huntington Cairns papers, 1780-1984.
- Hussey, Alfred Rodman, d. 1964. Alfred Rodman Hussey papers, 1944-1964.
- Huston Thompson papers, 1908-1965.
- Huỳnh, Văn Cao. Văn Cao Huỳnh interview.
- H.W. Halleck papers, 1843-1896.
- Hyde, Dorsey William, 1888-1955. Dorsey William Hyde papers, 1757-1955.
- Hyman, Stanley Edgar, 1919-1970. Stanley Edgar Hyman papers, 1932-1978.