- University of California Archaeological Survey21,645 objects
- University Appropriation15,546 objects
- Harry Starr Riddell Jr.7,744 objects
- Robert Fleming Heizer7,391 objects
- Olline Riddell6,872 objects
- Francis A. Riddell3,425 objects
- James F. O'Connell2,595 objects
- California Archaeological Survey1,805 objects
- J. D. Howard1,749 objects
- Walter O. Hussa1,454 objects
- Elmer J. Dawson1,209 objects
- Jeremiah B. Lillard1,071 objects
- Sacramento County Board of Education1,061 objects
- William S. Evans Jr.1,035 objects
- Margaret G. Hindes1,027 objects
- Llewellyn Lemont Loud1,025 objects
- Franklin Fenenga929 objects
- Dee T. Davis846 objects
- James Allan Bennyhoff841 objects
- Walter D. Weymouth776 objects