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- Moore, Patrick4
- Proctor, Richard A. (Richard Anthony), 1837-18884
- Chapman, Clark R.3
- United States. National Aeronautics and Space Administration3
- ebrary, Inc3
- Cravens, Thomas E., 1948-2
- Esposito, Larry2
- Evans, Dallas E.2
- Hill, George William, 1838-19142
- Hunten, Donald M.2
- Jet Propulsion Laboratory (U.S.)2
- Kraus, Gary L.2
- Lorenz, Ralph, 1969-2
- Maor, Eli2
- Newcomb, Simon, 1835-19092
- Observatoire de Nice2
- Pepin, R. O. (Robert Osborne), 1933-2
- Perrotin, Joseph, 1845-19042
- Pitts, David E.2
- Stofan, Ellen Renee, 1961-2