Donor
- U.S Department of Agriculture10 objects
- UC Berkeley Extension1 objects
- UC San Francisco Medical Center60 objects
- US Army16 objects
- United States Coast Guard171 objects
- United States Department of the Interior1 objects
- United States Department of the Navy171 objects
- United States Forest Service29 objects
- United States Geological Survey45 objects
- United States Golden Gate International Exposition Commission17 objects
- United States Information Agency15 objects
- United States National Museum1,661 objects
- University Appropriation150,114 objects
- University Art Museum (UC Berkeley)555 objects
- University Endowment Funds1 objects
- University Museum of Archaeology and Ethnology, Cambridge University, England10 objects
- University Research Expeditions Program379 objects
- University and Jepson Herbaria (UC Berkeley)3 objects
- University of California227 objects
- University of California African Expedition1,741 objects