- eBookA Natural History of AmphibiansRobert C. Stebbins
- eBookReptiles and Amphibians of the San Francisco Bay RegionRobert C. Stebbins
- eBookCalifornia Amphibians and ReptilesRobert C. Stebbins
- eBookThe Lives of Desert Animals in Joshua Tree National MonumentAlden H. Miller
- eBookSerien: California Natural History GuidesSam Hinton