Donor
- Sylvia M. Broadbent63 objects
- City and County of San Francisco, Waste Water Management Program8 objects
- University Appropriation7 objects
- Gordon W. Hewes3 objects
- Robert Fleming Heizer3 objects
- Arnold R. Pilling2 objects
- Franklin Fenenga2 objects
- Christopher R. Corson1 objects
- E. E. Luther1 objects
- Robert L. Hoover1 objects
- Ronald Leroy Olson1 objects
- William Clifford Massey1 objects