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Author/Creator
- United States. National Aeronautics and Space Administration10
- Goddard Space Flight Center5
- Freden, Stanley C.2
- Lyndon B. Johnson Space Center2
- Mercanti, Enrico P.2
- NASA Earth Resources Survey Symposium (1st : 1975 : Houston, Texas)2
- NASA-University Conference on the Science and Technology of Space Exploration (1962 : Chicago)2
- United Nations2
- United Nations Conference on the Exploration and Peaceful Uses of Outer Space (1st : 1968 : Vienna, Austria)2
- United States2
- United States. Office of Education. Library Services Branch2
- Air University (U.S.). Center for Aerospace Doctrine, Research, and Education1
- American Political Science Association. Meeting1
- Becker, Margaret A.1
- Bunker, John P.1
- Carl, Herbert A.1
- Carnegie Institution of Washington. Geophysical Laboratory1
- Carsten, Michael D.1
- Cline, T. L.1
- Commonwealth Parliamentary Association1