Finding aids (123) Images (68) Electronic resource (1)

Archival materials (129) Collection descriptions (123) Photographs (39) Manuscripts (35) Correspondence (32) Drawings (20) Architectural drawings (17) Black-and-white photographs (17) Clippings (17) Patents (14) Videotapes (14) Audiotapes (12) Brochures (11) Business records (11) Blueprints (10) Scrapbooks (10) Photographic prints (9) Black-and-white negatives (8) Newsletters (8) Reports (8) Sound recordings (8) Transcripts (8) Articles (7) Electronic records (7) Interviews (7) Motion pictures (visual works) (7) Books (6) Floor plans (6) Notebooks (6) Notes (6) Oral history (6)

Inventions (12) Science (12) Inventors (11) Architectural design (10) Buildings (10) Museum buildings (10) Smithsonian buildings (10) Electricity (9) Aeronautics (8) Electric circuits (7) Museums (6) Computers (5) Museum exhibits (5) Oral history (5) Radio (5) Railroads (5) Research (5) Technology (5) World War, 1939-1945 (5) Astrophysical observatories (4) Astrophysics (4) Educational planning (4) Electrical engineers (4) Folk music (4) Interviews (4) Patents (4) Television (4) Vaudeville (4) advertising (4) Aeronautics, Military (3) Automobiles (3)

National Museum of American History (U.S.). Division of Electricity and Modern Physics (6) Jerome and Dorothy Lemelson Center for the Study of Invention and Innovation. (4) Bell, Alexander Graham (3) Hammer, William J. (William Joseph), 1858-1934 (electrical engineer) (3) Hopper, Grace Murray (3) Massachusetts Institute of Technology (3) National Museum of American History (U.S.). Division of Work and Industry (3) National Science Resources Center. Executive Office (3) Radio Corporation of America. (3) Tesla, Nikola (3) Warshaw, Isadore (3) Bedi, Joyce (2) Berliner, Emile (2) Carter, Jimmy, 1924- (2) Clark, George Howard (2) Daemmrich, Arthur (2) Edison, Thomas A. (Thomas Alva) (2) Folkways Records (2) International Business Machines Corporation (2) Lomax, Alan (2) National Air Races (2) National Air and Space Museum. Archives Division. (2) National Museum of American History (U.S.). Division of History of Technology (2) National Museum of American History (U.S.). Division of Information, Technology and Society (2) National Museum of American History (U.S.). Division of Mechanical and Civil Engineering (2) National Museum of American History. Department of Exhibits (2) Oswald, Alison (2) Ott, Katherine (2) Pennsylvania Railroad. (2) Pittsburgh and West Virginia Railway Company (2) Remington Rand. (2)

Indians of North America (2) 10th Naval District Steel Band (1) Afro-Caribbean cults (1) Almerico, Tony, 1905- (1) American Indians (1) Ast, Anita (1) Audio Engineering Society (1) Bach, Johann Sebastian, 1685-1750 (1) Beethoven, Ludwig van, 1770-1827 (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) Camp, Red (1) Carroll, Jimmy (1) Crowley, Daniel J., 1921- (1) Indians of Central America (1) Indians of South America (1) Irish (1) Iroquois (1) Seminole (1)

Mall, The (Washington, D.C.) (4) Connecticut (2) Pennsylvania (2) Africa (1) Amazon River Region (1) Antigua (1) Baja California (Mexico : Peninsula) (1) Barbuda (1) Benin (1) Benítez (Venezuela) (1) Brazil (1) Burkina Faso (1) California (1) Canada (1) Caribbean Area (1) Central African Republic (1) Congo (Democratic Republic) (1) Cuba (1) Côte d'Ivoire (1) Egypt (1) Europe (1) Ghana (1) Haiti (1) Hartford (Conn.) (1) Hiroshima-shi (Japan) (1) Hoboken (N.J.) (1) Hollywood (Los Angeles, Calif.) (1) Hungary (1) India (1) Ireland (1) Kansas (1)

Archives Center, National Museum of American History (64) Smithsonian Institution Archives (41) National Air and Space Museum Archives (13) Ralph Rinzler Folklife Archives and Collections (4) Archives of American Art (3) National Anthropological Archives (3) Eliot Elisofon Photographic Archives, National Museum of African Art (1)