- Libro electrónicoA Natural History of AmphibiansRobert C. Stebbins
- Libro electrónicoReptiles and Amphibians of the San Francisco Bay RegionRobert C. Stebbins
- Libro electrónicoCalifornia Amphibians and ReptilesRobert C. Stebbins
- Libro electrónicoThe Lives of Desert Animals in Joshua Tree National MonumentAlden H. Miller
- Libro electrónicoSeries: California Natural History GuidesSam Hinton