- University Appropriation97,258 objects
- University of California Archaeological Survey95,160 objects
- Robert Fleming Heizer27,869 objects
- California Archaeological Survey18,839 objects
- Harry Starr Riddell Jr.16,368 objects
- City and County of San Francisco, Waste Water Management Program13,775 objects
- Olline Riddell12,794 objects
- Francis A. Riddell12,785 objects
- Phoebe Apperson Hearst12,455 objects
- Jeremiah B. Lillard12,342 objects
- Sacramento County Board of Education10,561 objects
- Ronald Leroy Olson10,099 objects
- Adán Eduardo Treganza9,047 objects
- James Allan Bennyhoff7,170 objects
- Charles M. Slaymaker6,351 objects
- University of California, Los Angeles5,964 objects
- Sylvia M. Broadbent5,783 objects
- Franklin Fenenga5,636 objects
- Russell Wallace Newman5,543 objects
- Elmer J. Dawson5,375 objects