History

• Solano County Historical Society
• Yolo County Historical Museum
• Yolo County Historical Society

University of California Orchard-related sites

• California Center for Urban Horticulture (CCUH)
• UC Davis Olive Center
• UC Davis Plant Sciences
• UC Foundation Plant Services
• UC Fruit & Nut Research and Information Center (FNRIC)

Others

• National Clonal Germplasm Repository - Davis, CA