- unknown2,333
- Susan Seck2,327
- Joy Hilden2,176
- Gordon L. Grosscup2,079
- Waldo R. Wedel2,073
- William S. Evans Jr.2,056
- American Museum of Natural History2,053
- H. R. Balfour2,019
- Thomas Roy Hester1,847
- Frederic Ward Putnam1,801
- J. D. Howard1,796
- William Russell Bascom1,789
- Christopher R. Corson1,750
- University of California African Expedition1,740
- Peter B. Cornwall1,735
- Sacramento Junior College1,707
- Richard Ambro1,703
- Newton Henry Neustadter Jr.1,679
- Roberta Elliot Neustadter1,679
- Richard A. Gould1,676