History
- Solano County Archives
- Solano County Historical Society
- Winters Center for the Arts & History Project
- Yolo County Archives
- Yolo County Historical Museum
- Yolo County Historical Society
University of California Orchard-related sites
- California Backyard Orchard
- California Center for Urban Horticulture (CCUH)
- UC Davis Olive Center
- UC Davis Plant Sciences
- California Gardening
- UC Foundation Plant Services
- UC Fruit & Nut Research and Information Center (FNRIC)
- UC Master Gardeners
Others
- National Clonal Germplasm Repository - Davis, CA