Topical subject terms, geographical place names, occupations, and forms of material represented in finding aids. Subjects are selected from controlled lists of words and phrases used by the Library of Congress.
C
- Cabinet officers.
- Cabinet officers--Correspondence.
- Cabinet officers--Selection and appointment--United States.
- Cabinet officers--United States.
- Cabinet officers' spouses--United States.
- Cabinetwork.
- Cable cars (Streetcars).
- Cables, Submarine.
- Caddo Parish (La.)--Surveys.
- Caddo Parish (La.)--Trials, litigation, etc.
- Cain Hoy (S.C.).
- Cajun music--Louisiana.
- Calculators.
- Calendar reform.
- California--Description and travel.
- California--Gold discoveries.
- California--History.
- California--History--1846-1850.
- California--History, Military.
- California--Politics and government--1846-1850.
- California--Politics and government--1850-1950.
- California--Politics and government--1951-.
- California--Politics and government--20th century.
- California--Religion.
- California--San Francisco--Commerce.
- California--Social life and customs.
- Calligraphers.
- Calligraphy.
- Calligraphy--Russia.
- Calvinism.
- Calypso (Music)--Jamaica.
- Cambodian Americans--Maryland--Music.
- Cambodian Americans--Music.
- Cambridge (Mass.)--Description and travel.
- Cambridge (Mass.)--Social life and customs.
- Cambridge (Mass.)--Social life and customs--19th century.
- Camels.
- Camera-ready copy.
- Cameramen.
- Camp Blanding (Fla.).
- Camp Chase (Ohio).
- Camp David (Md.).
- Camp Nichols (Philippines).
- Camp Polk (La.).
- Campaign debates--United States.
- Campaign funds--Pennsylvania.
- Campaign funds--United States.
- Campaign managers.
- Canaan (N.Y.)--Religious life and customs.
- Canada--Boundaries--Alaska.
- Canada--Boundaries--Maine.
- Canada--Boundaries--United States.
- Canada--Commerce.
- Canada--Commerce--Great Britain.
- Canada--Commerce--United States.
- Canada--Description and travel.
- Canada--Foreign relations--Poland. .
- Canada--Foreign relations--United States.
- Canada--History--1775-1783.
- Canada--Politics and government--1914-1945.
- Canada--Religion.
- Canadian newspapers.
- Canadians--Nova Scotia--Music.
- Canal Zone.
- Canal Zone--Description and travel.
- Canal Zone--History.
- Canal Zone--Social life and customs.
- Canals.
- Canals--Central America.
- Canals--Delaware.
- Canals--Great Lakes (North America).
- Canals--Illinois.
- Canals, Interoceanic.
- Canals--Maryland.
- Canals--Mexico--Tehuantepec, Isthmus of.
- Canals--Michigan.
- Canals--New York (State).
- Canals--Nicaragua.
- Canals--Ohio--Songs and music.
- Canals--Panama.
- Canals--Virginia--James River.
- Canals--Washington (D.C.).
- Cancer--Prevention.
- Cancer--Research.
- Cancer--Treatment.
- Canneries--Indiana--Indianapolis.
- Canoes and canoeing.
- Canoes and canoeing--Canada.
- Canoes and canoeing--Minnesota.
- Canteens (Establishments)--California--San Francisco.
- Canterbury (N.H.)--Religious life and customs.
- Capacitors.
- Cape Verde--Commerce.
- Cape Verde--Foreign relations--United States.
- Capital punishment.
- Capitalism--United States.
- Capitalists and financiers--Biography.
- Capitalists and financiers--United States.
- Capitol Hill (Washington, D.C.).
- Capitols.
- Capri Island (Italy)--Description and travel.
- Cardinals.
- Caribbean Americans--Music.
- Caribbean Area.
- Caribbean Area--Commerce--Great Britain.
- Caribbean Area--History, Naval.
- Caricatures and cartoons.
- Carols--England--Cornwall (County).
- Carpenters.
- Carpentry--Colorado--Denver.
- Carpentry--Colorado--Pueblo.
- Carpentry--Massachusetts--Methuen.
- Cartels.
- Cartels--Germany.
- Cartographers.
- Cartography.
- Cartography--Instruments.
- Cartography--Philippines--Luzon.
- Cartoonists.
- Cartoons (Commentary)--1900-1970.
- Cartoons (Humorous images).
- Casablanca (Morocco)--History.
- Cassidy, Hopalong (Fictitious character).
- Castles--Scotland--Photographs.
- Catalogs.
- Catalysts.
- Catalytic cracking.
- Cathode ray oscilloscope.
- Cathode ray tubes.
- Catholic Church--Foreign relations--Great Britain.
- Catholics--Maine--Social life and customs.
- Cats.
- Cattle.
- Cattle--Diseases.
- Cattle--South Carolina.
- Cavalry.
- Cavalry--History.
- Cedar Creek, Battle of, Va., 1864.
- Cedar Mountain, Battle of, Va., 1862.
- Celebrities.
- Cell nuclei.
- Censorship.
- Census.
- Centers for the performing arts--United States.
- Central America.
- Central America--Boundaries.
- Central America--Foreign relations--United States.
- Central America--History.
- Central America--History--1821-1951.
- Central America--History--1979-.
- Central America--Maps.
- Central business districts.
- Central Park (New York, N.Y.)--History.
- Central Valley (Calif. : Valley).
- Chair design.
- Chamber music--20th century--History and criticism.
- Chamber music--20th century--Scores.
- Chamber music festivals.
- Chancellorsville, Battle of, Chancellorsville, Va., 1863.
- Chaplains, Military.
- Chaptico (Md.)--Commerce.
- Charities.
- Charities--Kentucky.
- Charities--Maryland.
- Charities--Maryland--Baltimore.
- Charities, Medical.
- Charities--New York (State).
- Charities--Palestine.
- Charities--Public relations.
- Charles River Bridge (Mass.)--Trials, litigation, etc.
- Charleston Harbor (S.C.).
- Charleston Harbor (S.C.)--History--Civil War, 1861-1865.
- Charleston (S.C.)--History--Civil War, 1861-1865.
- Charleston (S.C.)--History--Revolution, 1775-1783.
- Charleston (S.C.)--History--Siege, 1863.
- Charleston (S.C,)--Social life and customs.
- Charlottesville (Va.)--History.
- Charlottesville (Va.)--Newspapers.
- Charters.
- Chatsworth Plantation (Va.).
- Chattanooga, Battle of, Chattanooga, Tenn., 1863.
- Chattanooga (Tenn.)--Commerce.
- Chautauquas--United States.
- Chechniï¸ a︡ (Russia)--Foreign relations--United States. .
- Chemical elements.
- Chemical engineers.
- Chemical industry.
- Chemical industry--Massachusetts.
- Chemical laboratories--Massachusetts--Haverhill.
- Chemicals--Analysis.
- Chemistry.
- Chemistry--History.
- Chemistry, Organic.
- Chemistry, Physical and theoretical.
- Chemistry--Societies, etc.
- Chemists.
- Cherbourg, Battle of, Cherbourg, France, 1944.
- Cherokee Indians.
- Cherokee Indians--Claims.
- Cherokee Indians--Government relations.
- Cherokee Indians--Treaties.
- Cherokee Indians--Wars, 1759-1761.
- Chesapeake and Ohio Canal (Md. and Washington, D.C.).
- Chesapeake Bay (Md. and Va.).
- Chesapeake Bay (Md. and Va.)--History--Civil War, 1861-1865.
- Cheyenne Indians.
- Chicago (Ill.)--Centennial celebrations, etc.
- Chicago (Ill.)--Commerce.
- Chicago (Ill.)--Politics and government.
- Chicago River (Ill.)--History.
- Chickamauga, Battle of, Ga., 1863.
- Chickamauga (Ga.)--History.
- Chickasaw Indians.
- Chickasaw Indians--Claims.
- Chickens--Embryos.
- Child analysis.
- Child analysis--Periodicals.
- Child care.
- Child care--United States.
- Child concentration camp inmates.
- Child development.
- Child labor.
- Child labor--Law and legislation.
- Child labor--Law and legislation--United States.
- Child labor--Southern States.
- Child labor--United States.
- Child pornography--United States.
- Child psychiatry.
- Child psychologists.
- Child psychology.
- Child psychotherapy--Residential treatment--England--London.
- Child rearing.
- Child welfare.
- Child welfare--New York (State)--Rochester,.
- Child welfare--Societies, etc.
- Childbirth--New York (State).
- Children.
- Children--1830-1900.
- Children--1840-1890.
- Children--Health and hygiene.
- Children--Legal status, laws, etc.--United States.
- Children--Nutrition--Psychological aspects.
- Children of presidents--United States--Biography.
- Children--Societies and clubs.
- Children--United States--1830-1880.
- Children with social disabilities.
- Children's art.
- Children's books.
- Children's poetry.
- Children's quilts--United States.
- Children's songs, English--Appalachian Region.
- Children's songs, English--England.
- Children's songs, English--Georgia.
- Children's songs, English--Ozark Mountains Region.
- Children's songs, English--Scotland.
- Children's songs, English--United States.
- Children's songs, English--United States--Texts.
- Children's television programs.
- Chile--Boundaries--Peru.
- Chile--Foreign relations--United States.
- Chile--Social conditions.
- China.
- China--Commerce.
- China--Commerce--History--19th century.
- China--Commerce--Russia.
- China--Commerce--United States.
- China--Cultural policy.
- China--Description and travel.
- China--Economic conditions--1912-1949.
- China--Economic conditions--20th century.
- China--Emigration and immigration.
- China--Foreign relations.
- China--Foreign relations--Great Britain.
- China--Foreign relations--Japan.
- China--Foreign relations--Soviet Union.
- China--Foreign relations--United States.
- China--History.
- China--History--Boxer Rebellion, 1899-1901.
- China--History--Civil War, 1945-1949.
- China--History, Military--20th century.
- China--History--Republic, 1912-1949.
- China--History--Taiping Rebellion, 1850-1864.
- China--Politics and government.
- China--Politics and government--1912-1949.
- China--Politics and government--1945-1949.
- China--Politics and government--1949-.
- China--Social conditions.
- China--Social conditions--1644-1912.
- China--Social life and customs.
- Chincha Islands (Peru)--History.
- Chinese--Hawaii.
- Chinese--United States--Music.
- Chiricahua Indians--Wars.
- Chiriquà (Panama : Province).
- Choctaw Indians--Claims.
- Choctaw Indians--Tribal citizenship.
- Cholera--Germany.
- Cholera--Turkey.
- Choral music.
- Choreographers.
- Choreographers--Russia.
- Choreographers--United States.
- Choreographers--United States--Correspondence.
- Choreographers--United States--Photographs.
- Choreography--United States.
- Choruses.
- Christian communities--Jerusalem.
- Christian communities--Palestine.
- Christian Science.
- Christianity.
- Christmas.
- Christmas music--Great Britain.
- Christmas plays--Great Britain.
- Christmas plays, Spanish--Rio Grande Valley Region (Colo.-Mexico and Tex.).
- Chronometers.
- Church and state.
- Church and state--United States.
- Church buildings--Washington (D.C.).
- Church history.
- Church property.
- Cigarettes.
- Cincinnati (Ohio)--Church history.
- Cincinnati (Ohio)--History.
- Cincinnati (Ohio)--Politics and government.
- Cinematography.
- Ciphers.
- Ciphers--Virginia.
- Circuit courts--Tennessee.
- Circuit courts--United States.
- Circuit courts--Washington (D.C.).
- Circuit riders.
- Circuit riders--Maryland.
- Circuit riders--West Virginia.
- Circus--United States.
- Cities & towns--United States--1830-1880.
- Cities and towns.
- Cities and towns--Massachusetts.
- Cities and towns--Oregon--Maps.
- Cities and towns--United States.
- Citizen participation.
- Citizens' associations.
- Citizenship.
- City and town life.
- City and town life--Poland.
- City and town life--United States.
- City councils--Maryland--Baltimore.
- City councils--Ohio--Cincinnati.
- City planners.
- City planning.
- City planning--Austria--Vienna.
- City planning--California.
- City planning--California--Fresno.
- City planning--Illinois--Urbana.
- City planning--Massachusetts--Boston.
- City planning--Michigan--Kalamazoo.
- City planning--New York (State)--Rochester.
- City planning--Texas--Fort Worth.
- City planning--United States.
- City planning--Washington (D.C.).
- City sounds--New York (State)--New York.
- Civic activists.
- Civic improvement.
- Civic improvement--Illinois--Chicago.
- Civic improvement--Maryland--Baltimore.
- Civic improvement--New York (State)--New York.
- Civic improvement--Societies, etc.
- Civic leaders.
- Civil defense.
- Civil defense--United States.
- Civil disobedience.
- Civil engineering.
- Civil engineering--Panama.
- Civil engineers.
- Civil law--France.
- Civil law--United States.
- Civil libertarians.
- Civil-military relations--United States.
- Civil rights.
- Civil rights activists.
- Civil rights demonstrations.
- Civil rights demonstrations--Alabama.
- Civil rights demonstrations--Northern Ireland.
- Civil rights demonstrations--United States.
- Civil rights demonstrations--Washington (D.C.).
- Civil rights--Japan.
- Civil rights leaders.
- Civil rights leaders--1900-1970.
- Civil rights--Maryland--Baltimore.
- Civil rights movements.
- Civil rights movements--Alabama.
- Civil rights movements--Georgia.
- Civil rights movements--Maryland--Baltimore.
- Civil rights movements--Mississippi.
- Civil rights movements--United States.
- Civil rights movements--United States--History--20th century.
- Civil rights--Societies, etc.
- Civil rights--South Carolina.
- Civil rights--Southern States.
- Civil rights--United States.
- Civil rights--United States--Societies, etc.
- Civil rights--Washington (D.C.).
- Civil rights workers--United States.
- Civil servants.
- Civil service.
- Civil service--Awards--United States.
- Civil service reform.
- Civil service reform--United States.
- Civil service--Study and teaching (Internship).
- Civil service--United States.
- Civilization.
- Civilization, Arab.
- Civilization--Periodicals.
- Civilization, Western.
- Claims.
- Clark County (Ky.)--Social life and customs.
- Classicists--Great Britain--Biography.
- Classification--Government publications.
- Clergy.
- Clergy--Poland.
- Clerks, U.S. Army.
- Clerks, U.S. House of Representatives.
- Cleveland (Ohio)--Commerce.
- Cleveland (Ohio)--Politics and government.
- Cleveland (Ohio)--Social life and customs.
- Client-centered psychotherapy.
- Climatic changes.
- Clinical child psychology.
- Clipper ships.
- Clippings.
- Clippings (Information artifacts).
- Clog-dancing--Appalachian Region.
- Clothing & dress--United States--1830-1880.
- Clothing workers.
- Clubs.
- Clubs--New York (State)--New York.
- Clubwomen.
- Coal miners--Labor unions.
- Coal miners--United States.
- Coal mines and mining--Kentucky--Hemphill.
- Coal mines and mining--Kentucky--Letcher County.
- Coal mines and mining--Pennsylvania.
- Coal mines and mining--United States.
- Coal mines and mining--West Virginia.
- Coast defenses.
- Coast defenses--United States.
- Coastal plains.
- Coastal zone management--United States.
- Coastwise shipping--Martinique.
- COBOL (Computer program language).
- Cocaine.
- Cohoes (N.Y.)--Social life and customs.
- Coinage--United States.
- Coins, American.
- Colchester (Va.)--Commerce.
- Cold Harbor, Battle of, Va., 1864.
- Cold--Physiological effect.
- Cold War.
- Cold War--Missing in action.
- Cold War--Prisoners and prisons.
- Cold War--Psychological aspects.
- Cold War--Technology.
- Collective labor agreements--Medical personnel--United States.
- Collective settlements.
- Collectors.
- Collectors and collecting--Periodicals.
- Collectors and collecting--United States.
- Collectors and collecting--United States--Archives.
- Collectors, Autograph.
- College administrators.
- College buildings--Belgium.
- College Park (Md.)--History.
- College presidents.
- College sports.
- College sports--United States.
- College students--United States--Attitudes.
- College students--United States--Social life and customs.
- Colloids.
- Collotypes--1880-1940.
- Colombia--Discovery and exploration.
- Colombia--Foreign relations--United States.
- Colombian American business enterprises--New Jersey--Paterson.
- Colombian Americans--Maryland--Music.
- Colonies--Africa.
- Colonists.
- Color photography.
- Color slides.
- Colorado--Description and travel.
- Colors.
- Colors in motion pictures.
- Columbus Quincentenary, 1992-1993--West (U.S.).
- Comanche Indians.
- Comedians.
- Comedians--United States.
- Comic books, strips, etc.--Psychological aspects.
- Commemorative postage stamps--United States.
- Commentators.
- Commerce.
- Commerce--History--18th century.
- Commerce--History--19th century.
- Commercial agents, Russian--United States.
- Commercial attachés--England--London.
- Commercial law.
- Commercial law--Great Britain--Colonies.
- Commercial law--United States.
- Commercial policy.
- Commercial treaties.
- Commercials.
- Communal living.
- Communal living--Jerusalem.
- Communal living--United States.
- Communication.
- Communication and technology.
- Communication and traffic--Mexico.
- Communication and traffic--West (U.S.).
- Communication in marketing.
- Communication--Social aspects.
- Communication--United States.
- Communications, Military.
- Communism.
- Communism--Austria.
- Communism--China.
- Communism--Czechoslovakia.
- Communism--El Salvador.
- Communism--Europe.
- Communism--Germany.
- Communism--Guatemala.
- Communism--Laos.
- Communism--Michigan.
- Communism--New York (State).
- Communism--Nicaragua.
- Communism--Ohio.
- Communism--Pennsylvania.
- Communism--Soviet Union.
- Communism--United States.
- Communist parties--Russia.
- Communist parties--Russia (Federation).
- Communist parties--Soviet Union.
- Communist trials--United States.
- Communists.
- Communists--United States.
- Community-based family services.
- Community centers.
- Community development.
- Community development, Urban.
- Community development--Washington (D.C.).
- Community health services.
- Community health services--Law and legislation.
- Community leadership--Washington (D.C.).
- Community life--New Jersey--Paterson.
- Competition, Unfair.
- Composers.
- Composers--Autographs.
- Composers--Brazil--Photographs.
- Composers--Correspondence.
- Composers--France.
- Composers--Italy--Correspondence.
- Composers--Portraits.
- Composers--Russia.
- Composers--United States.
- Composers--United States--Autographs.
- Composers--United States--Biography.
- Composers--United States--Correspondence.
- Composers--United States--Portraits.
- Composers--Uruguay.
- Compromise of 1850.
- Compulsive behavior.
- Computer camps.
- Computer chess.
- Computer engineering.
- Computer games.
- Computer scientists.
- Computer software--Development.
- Computer software industry.
- Computer software--Patents.
- Computers.
- Concentration camps.
- Concentration camps--Soviet Union.
- Concert programs.
- Concert programs--America.
- Conductors (Music).
- Conductors (Music)--Correspondence.
- Conductors (Music)--Interviews.
- Conductors (Music)--United States.
- Conductors (Music)--United States--Correspondence.
- Conductors (Music)--United States--Portraits.
- Conductors--United States.
- Confederate agents.
- Confederate States of America--Armed forces.
- Confederate States of America--Commerce--Great Britain.
- Confederate States of America--Economic conditions.
- Confederate States of America--Foreign relations--Belgium.
- Confederate States of America--Foreign relations--France.
- Confederate States of America--Foreign relations--Great Britain.
- Confederate States of America--Foreign relations--Mexico.
- Confederate States of America--History.
- Confederate States of America--History, Naval.
- Confederate States of America--Officials and employees.
- Confederate States of America--Politics and government.
- Confederate States of America--Social conditions.
- Confiscations--Mexico.
- Conflict of interests.
- Congo (Democratic Republic)--Description and travel.
- Congregational churches--Clergy.
- Congregational churches--Education--United States.
- Congregational churches--Missions--Turkey.
- Congregational churches--United States.
- Congresses and conventions.
- Congresses and conventions--Indonesia--Bandung.
- Connecticut--Commerce.
- Connecticut--Description and travel.
- Connecticut--History.
- Connecticut--History--1775-1865,.
- Connecticut--History--Revolution, 1775-1783.
- Connecticut--Politics and government.
- Connecticut--Politics and government--1775-1865.
- Connecticut--Politics and government--1865-1950.
- Connecticut--Politics and government--19th century.
- Consciousness.
- Conservation of natural resources.
- Conservation of natural resources--California.
- Conservation of natural resources--England.
- Conservation of natural resources--Germany.
- Conservation of natural resources--Pennsylvania.
- Conservation of natural resources--United States.
- Conservationists.
- Conservationists--New York (State).
- Conservatism.
- Conservatism--United States.
- Consolidation and merger of corporations.
- Conspiracies--United States.
- Conspiracy--United States.
- Constitutional amendments--United States.
- Constitutional conventions--Maryland.
- Constitutional conventions--New York (State).
- Constitutional history--United States.
- Constitutional law.
- Constitutional law--Study and teaching.
- Constitutional law--United States.
- Constitutions--Poland.
- Constitutions--United States.
- Consuls.
- Consuls--China--Tianjin.
- Consuls--China--Xiamen Shi.
- Consuls--France--Correspondence.
- Consuls--Italy--Florence.
- Consuls--Italy--Rome.
- Consuls--Jerusalem.
- Consuls--Massachusetts--Boston.
- Consuls--Palestine.
- Consuls--Spain--Correspondence.
- Consuls--Switzerland--Genava.
- Consuls--Switzerland--Zurich.
- Consultants.
- Consultants--Connecticut.
- Consumer credit--United States.
- Consumer protection.
- Consumer protection--Law and legislation.
- Consumer protection--United States.
- Consumers.
- Consumers--Research.
- Consumers--United States.
- Consumers' leagues.
- Contested elections--New Mexico.
- Contested elections--United States.
- Contests--United States.
- Continuous geometries.
- Contracts.
- Contracts--Virginia--Richmond.
- Conversion.
- Conversion--Christianity.
- Convict labor.
- Cookery--United States.
- Cooking.
- Cooking--Austria--Vienna.
- Cooking, Austrian.
- Cooking, European.
- Cooperative acquisition of library materials.
- Cooperative societies--Poland.
- Coplas--Rio Grande Valley Region (Colo.-Mexico and Tex.).
- Copper mines and mining--Latin America.
- Coptic chants.
- Coptic chants--History and criticism.
- Copybooks.
- Copyright.
- Copyright--Performing rights.
- Copyright--Performing rights--United States.
- Copyright--Soviet Union.
- Copyright specialists.
- Copyright--United States.
- Corinth, Battle of, Corinth, Miss., 1862.
- Corinth (Miss.)--History.
- Corinth (Miss.)--History--Siege, 1862.
- Corn--Disease and pest resistance.
- Cornwall (England : County)--Antiquities--Photographs.
- Cornwall (England : County)--Social life and customs.
- Coronations--Japan.
- Corporal punishment--United States.
- Corporations.
- Corporations--United States.
- Corporations--United States--Finance.
- Corrected proofs (Printing).
- Correctional institutions--New York (State)--Attica.
- Corregidor Island (Philippines)--History.
- Correspondence.
- Cortisone.
- Cosmic background radiation.
- Cosmic rays.
- Cosmogony.
- Cosmology.
- Cost and standard of living--Statistics.
- Costa Rica--Description and travel.
- Costume.
- Costume design.
- Costume design--United States.
- Cotton gins and ginning.
- Cotton growing--Mississippi--Bolivar County.
- Cotton manufacture.
- Cotton manufacture--Connecticut--Middletown.
- Cotton manufacture--Mexico.
- Cotton manufacture--Rhode Island.
- Cotton manufacture--West (U.S.).
- Cotton trade--Alabama--Mobile.
- Cotton trade--Confederate States of America.
- Cotton trade--Louisiana--New Orleans.
- Cotton trade--Massachusetts--Boston.
- Counterrevolutionaries--Soviet Union.
- Country life--England--Photographs.
- Country life--Poland.
- Country life--Scotland--Photographs.
- Country life--United States.
- Country music.
- Country music--Louisiana--Shreveport.
- Country music--Maryland.
- Country music--Middle Atlantic States.
- Country music radio programs.
- Country music radio stations--Louisiana--Shreveport.
- Country music--Virginia.
- Country music--West Virginia.
- Country musicians.
- Courthouses--Mexico.
- Courts.
- Courts--Alabama--Mobile.
- Courts--California.
- Courts--Great Britain--Colonies.
- Courts--Hawaii.
- Courts--Illinois.
- Courts--Iowa.
- Courts--Kentucky.
- Courts--Louisiana.
- Courts-martial and courts of inquiry.
- Courts-martial and courts of inquiry--United States.
- Courts--Massachusetts.
- Courts--New Hampshire.
- Courts--New York (State).
- Courts--Ohio.
- Courts--Pennsylvania.
- Courts--Philippines.
- Courts--United States.
- Courts--United States--Officials and employees.
- Courts--Virginia.
- Courts--Washington (D.C.).
- Courtship--1840-1890.
- Courtship--New York (State).
- Covers (Philately).
- Cowboys--United States--Songs and music.
- Cowboys--West (U.S.).
- Cowboys--West (U.S.)--Songs and music.
- Crazy quilts--United States.
- Creation (Literary, artistic, etc.).
- Creationism.
- Creative ability.
- Creative thinking.
- Credit.
- Credit bureaus.
- Credit ratings.
- Credit--United States.
- Creek Indians--Wars.
- Creek War, 1813-1814.
- Creek War, 1836.
- Crib quilts--United States.
- Crime.
- Crime--Massachusetts--Boston.
- Crime prevention.
- Crime--Statistics.
- Crime--United States.
- Crime writing.
- Crimean War, 1853-1856.
- Criminal investigation--Europe.
- Criminal justice, Administration of.
- Criminal justice, Administration of--Massachusetts--Boston.
- Criminal justice, Administration of--Standards.
- Criminal justice, Administration of--United States.
- Criminal law.
- Criminal law--United States.
- Criminal procedure.
- Criminals--Civil rights--United States.
- Criminals--Rehabilitation.
- Criminologists.
- Criminology.
- Criticism.
- Critics.
- Croatian Americans--Pennsylvania--Music.
- Crossword puzzle makers.
- Crossword puzzles.
- Cryptography.
- Cryptostegia.
- Crystallography.
- Cuba--Commerce--United States.
- Cuba--Description and travel.
- Cuba--Exiles.
- Cuba--Foreign relations--Soviet Union.
- Cuba--Foreign relations--United States.
- Cuba--History.
- Cuba--History--1810-1899.
- Cuba--History--1895-.
- Cuba--History--1899-1906.
- Cuba--History--1959-1990.
- Cuba--History--American occupation, 1906-1909.
- Cuba--History--Insurrection, 1868-1878.
- Cuba--History--Invasion, 1961.
- Cuba--History--Revolution, 1895-1898.
- Cuba--History--Revolution, 1959.
- Cuba--Politics and government--1899-1902.
- Cuban Americans--Music.
- Cuban Americans--New York (State)--New York--Music.
- Cuban Missile Crisis, 1962.
- Cubans--Education--United States.
- Cultural relations.
- Culture.
- Culture--Periodicals.
- Cumberland County (Pa.)--History.
- Cumberland County (Pa.)--Social life and customs.
- Cumberland Gap (Tenn.)--History.
- Cumberland Road.
- Curators.
- Curiosities and wonders.
- Currency question.
- Currency question--United States.
- Current events.
- Curtiss-Wright aircraft.
- Customs administration--China.
- Customs administration--Cuba.
- Customs administration--Maine.
- Customs administration--New York (State)--New York.
- Customs administration--Philippines--Manila.
- Customs administration--Poland.
- Customs administration--United States.
- Customs administration--Washington (D.C.).
- Customs agents.
- Cybernetics.
- Cycling.
- Cyprus--History--20th century.
- Czech American newspapers.
- Czech Americans.
- Czech Americans--Colonization--Russia.
- Czech Americans--Genealogy.
- Czech Americans--Periodicals.
- Czech Americans--Societies, etc.
- Czech newspapers--Foreign countries.
- Czech periodicals--Foreign countries.
- Czechoslovakia.
- Czechoslovakia--Emigration and immigration.
- Czechoslovakia--Exiles.
- Czechoslovakia--Foreign relations--Soviet Union.
- Czechoslovakia--Foreign relations--United States.
- Czechoslovakia--History--Intervention, 1968.
- Czechoslovakia--Politics and government--1918-1938.
- Czechoslovakia--Politics and government--1938-1945.
- Czechoslovakia--Politics and government--1945-1992.
- Czechs--Great Britain.
- Czechs--United States.