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- National Space Science Data Center (13)
- Astronomical Data Center (U.S.) (4)
- United States. National Aeronautics and Space Administration (3)
- Horowitz, Richard (2)
- Vostreys, Rovert W. (2)
- Apollo 11 (Spacecraft) (1)
- Apollo 12 (Spacecraft) (1)
- Cameron, Winifred S. (1)
- Goddard Space Flight Center (1)
- King, Joseph H. (1)
- Mantel, Ellen J. (1)
- Miller, Elizabeth R. (1)
- Ng, Carolyn (1)
- Ross, Patricia A. (1)
- Stonesifer, G. Richard (1)