- University of California Archaeological Survey15,677 objects
- University Appropriation15,111 objects
- Robert Fleming Heizer6,280 objects
- Francis A. Riddell4,398 objects
- Harry Starr Riddell Jr.3,259 objects
- Olline Riddell2,086 objects
- Rolland Mudge2,025 objects
- Stuart C. Way1,826 objects
- James F. O'Connell1,637 objects
- J. D. Howard1,572 objects
- Jeremiah B. Lillard1,543 objects
- Sacramento County Board of Education1,543 objects
- Loring J. Barker1,429 objects
- Elmer J. Dawson1,336 objects
- William S. Evans Jr.1,115 objects
- California Archaeological Survey1,083 objects
- Walter D. Weymouth938 objects
- Colin L. Busby831 objects
- Walter O. Hussa830 objects
- Llewellyn Lemont Loud811 objects