Collector
- Francis A. Riddell142 objects
- Jeremiah B. Lillard69 objects
- Robert Fleming Heizer64 objects
- Sacramento Junior College36 objects
- Harry Starr Riddell Jr.24 objects
- Alex D. Krieger23 objects
- Waldo R. Wedel22 objects
- Elmer J. Dawson17 objects
- Albert B. Elsasser13 objects
- James F. O'Connell11 objects
- Adán Eduardo Treganza9 objects
- James Allan Bennyhoff9 objects
- A. E. Michelbacher7 objects
- Don McGeein7 objects
- Russell Wallace Newman7 objects
- Sacramento Junior College Field Party7 objects
- Franklin Fenenga5 objects
- Martin A. Baumhoff5 objects
- University of California Field Party5 objects
- Gordon L. Grosscup4 objects