Donor
- R. W. Hanna16 objects
- Betty J. Dupes15 objects
- Hamlin-Jose Pony Express Foundation4 objects
- Phoebe Apperson Hearst4 objects
- Estate of W. H. Smyth2 objects
- Lucretia Blow Le Bourgeois Van Horn2 objects
- William A. Setchell2 objects
- California State Mining Bureau1 objects
- Charles P. Wilcomb1 objects
- Clarence E. Smith1 objects
- Erich Wellington1 objects
- Estate of Samuel A. Barrett1 objects
- Herbert Mason1 objects
- J. B. Warren1 objects
- S. A. Cloman1 objects
- Sherwin-Williams Company1 objects
- Walter D. Weymouth1 objects
- Ynes Mexia1 objects