Finding aids (112) Images (93) Electronic resource (1) Video recordings (1)

Archival materials (142) Collection descriptions (112) Photographs (68) Correspondence (32) Business records (22) Stereoscopic photographs (22) Audiotapes (20) Photographic prints (20) Contracts (18) Drawings (18) Negatives (17) Manuscripts (16) Plans (drawings) (15) Slides (photographs) (15) Sound recordings (15) Audiocassettes (14) Notes (14) Videotapes (14) Clippings (13) Digital images (13) Ephemera (12) Memorandums (12) Video recordings (12) Black-and-white photographs (10) Scrapbooks (10) Business ephemera (9) Photograph albums (9) Blueprints (8) Reports (8) Black-and-white negatives (7) Brochures (7)

Coal mines and mining (40) Mines (29) Railroads (21) Trains (17) Folk music (15) Laborers (14) Folk festivals (13) World music (13) Folk art (12) Folklore (12) Food habits (12) arts and crafts (12) Engineering (9) Anthracite (7) Coal (6) Factories (6) Mining (6) Anthracite coal industry (5) Bridges (5) Civil engineering (4) Exhibitions (4) Mining equipment (4) Museums (4) Music (4) Railroad companies (4) World War, 1939-1945 (4) Agriculture (3) Anthracite coal (3) Company towns (3) Construction (3) Construction industry (3)

Underwood & Underwood (29) H.C. White Co. (20) Smithsonian Folklife Festival (13) White, C. W. (13) Smithsonian Institution. Center for Folklife and Cultural Heritage (12) National Museum of American History (U.S.). Division of Work and Industry (10) Warshaw, Isadore (10) National Museum of American History (U.S.). Division of Mechanical and Civil Engineering (8) National Museum of American History (U.S.). Division of History of Technology (7) Seeger, Pete (3) Bethlehem Steel Corporation (2) Carter, Jimmy, 1924- (2) ConRail (2) Coxe Brothers and Company, Inc. (Drifton, Pennsylvania) (2) DuBois, W.E.B. (William Edward Burghardt) (2) Folkways Records (2) Hartley, Marsden (2) Lehigh Valley Coal Company (2) Lomax, Alan (2) Macbeth Gallery (2) National Museum of American History (U.S.). Division of Transportation (2) National Museum of American History (U.S.). Division of Agriculture (2) National Museum of American History (U.S.). Division of Engineering and Industry (2) National Museum of American History (U.S.). Division of Extractive Industries (2) New York World's Fair (1939-1940 : New York, N.Y.) (2) Philadelphia and Reading Coal and Iron Company (2) Ponting, Herbert George (2) Ramsey, Frederic (2) Smithsonian Institution. Bureau of American Ethnology (2) United States. Bureau of Indian Affairs (2) Adams, Robert McCormick (Americanist) (1)

Afro-Caribbean cults (3) 10th Naval District Steel Band (1) A:shiwi (Zuni) (1) Acoma Pueblo (1) Afro-Cubans (1) Akimel O'odham (Pima) (1) Almerico, Tony, 1905- (1) Alutiiq (Pacific Eskimo) (1) American Indians (1) Arab Americans (1) Ast, Anita (1) Audio Engineering Society (1) Bach, Johann Sebastian, 1685-1750 (1) Bayei (African people) (1) Beethoven, Ludwig van, 1770-1827 (1) Bering Strait Inupiaq (1) Big Shell Band (1) Boston Chorale (1) Brahms, Johannes, 1833-1897 (1) Brokenshire, Norman, 1898-1965 (1) Brundage, Al (Alfred) (1) Brute Force Band (1) Bushmen (1) Cahuilla (1) Camp, Red (1) Carroll, Jimmy (1) Chaticks Si Chaticks (Pawnee) (1) Chemehuevi (1) Chickasaw (1) Cochiti Pueblo (1) Crowley, Daniel J., 1921- (1)

Pennsylvania (39) Pittsburgh (Pa.) (21) Caribbean Area (6) Scranton (6) Becks Run Mine (Pittsburgh, Pennsylvania) (5) Cuba (4) Puerto Rico (4) Africa (3) South Africa (3) United States (3) Angola (2) Benin (2) Botswana (2) Burkina Faso (2) California (2) Central African Republic (2) Congo (Democratic Republic) (2) Côte d'Ivoire (2) Egypt (2) Ghana (2) Haiti (2) Kenya (2) Liberia (2) Mali (2) Monongahela River (2) Namibia (2) New Jersey (2) New York (N.Y.) (2) Niger (2) Nigeria (2) Philadelphia (Pa.) (2)

Archives Center, National Museum of American History (89) Ralph Rinzler Folklife Archives and Collections (18) Smithsonian Institution Archives (16) National Anthropological Archives (6) Archives of American Art (4) Eliot Elisofon Photographic Archives, National Museum of African Art (3) Archives of American Gardens (2) Human Studies Film Archives (2) National Museum of the American Indian (2)