Finding aids (67) Images (19)

Archival materials (67) Collection descriptions (67) Manuscripts (36) Black-and-white photographs (15) Correspondence (15) Photographs (15) Clippings (12) Drawings (9) Audiotapes (7) Business records (7) Color photographs (7) Newsletters (7) Brochures (6) Electronic records (6) Lantern slides (6) Maps (6) Videotapes (6) Color transparencies (5) Slides (photographs) (5) Architectural drawings (4) Black-and-white negatives (4) Black-and-white transparencies (4) Books (4) Floppy disks (4) Illustrations (4) Motion pictures (visual works) (4) Reports (4) Scrapbooks (4) Sound recordings (4) Advertisements (3) Articles (3)

Astrophysics (22) Astronomy (19) Research (15) Astrophysical observatories (14) Research grants (13) Contracts (8) Engineering contracts (7) Observatories (7) Research and development contracts (7) Spectrum analysis (7) Science (5) Artificial satellites (4) Astronomical observatories (4) Inventions (4) Inventors (3) Scientific apparatus and instruments industry (3) Technology (3) Television (3) Aerial photography (2) Aeronautics (2) Applied anthropology (2) Architectural design (2) Astronautical museums (2) Astronautics (2) Astronomers (2) Astronomical photography (2) Chemistry (2) Committees (2) Congresses and conventions (2) Engineers (2) Geophysics (2)

Smithsonian Astrophysical Observatory. Sponsored Programs and Procurement Department (5) Smithsonian Astrophysical Observatory. Contracts and Procurement Office (4) Smithsonian Astrophysical Observatory. Contracts and Grants Department (3) Arensberg, Conrad M. (Conrad Maynadier) (2) Garrison, Vivian (2) Massachusetts Institute of Technology (2) National Air and Space Museum. Archives Division. (2) National Museum of American History (U.S.). Division of Electricity and Modern Physics (2) Smithsonian Astrophysical Observatory. Department of Contracts, Grants and Property Management (2) United States. National Bureau of Standards (2) Adams, Ansel (1) Aladdin Industries, Inc. (Nashville, Tenn.). (1) Albers, Anni (1) Albers, Josef (1) Albert, Calvin, 1918- (1) Albert, Ethel Mary (1) Allen, Steve (1) Altman, Harold, 1924- (1) American Federation of Arts (1) American Telephone and Telegraph Company (1) Antreasian, Garo Z., 1922- (1) Appell, George N. (1) Applied Physics Corporation. (1) Architectural League of New York (1) Arp, Jean (1) Avery, Milton (1) Aviv & Associates, Inc. (1) Barnet, Will (1) Baskin, Leonard (1) Baziotes, William (1) Beatty, John (1)

Burundians (1) Indians of Central America (1) Indians of North America (1) Indians of South America (1) Irish (1)

Atacama Desert (Chile) (1) Bolivia (1) Burundi (1) Caribbean Area (1) Chesapeake Bay (Md. and Va.) (1) Colombia (1) Cuba (1) Europe (1) Haiti (1) India (1) Ireland (1) Jamaica (1) Moon (1) New Jersey (1) New York (State) (1) Puerto Rico (1) Santa Rita Mountains (Ariz.) (1) Scorpius X-1 (Star) (1) South America (1) Washington (D.C.) (1) Washington D.C. (1)

Smithsonian Institution Archives (36) Archives Center, National Museum of American History (15) National Air and Space Museum Archives (8) National Anthropological Archives (4) Archives of American Art (2) Archives of American Gardens (1) Ralph Rinzler Folklife Archives and Collections (1)