- The Center for North American Herpetology (CNAH)
- American Society of Ichthyologists and Herpetologists (ASIH)
- Wildherps.com (pictures and field notes)
- The Reptile Database
- Froglog (article archives)
- Burke Museum of Natural History and Culture (amphibians and reptiles of Washington)
- Californiaherps.com
- HJ Andrews Experimental Forest (ecological research in Oregon)
- Caudata.org (salamander resource)
- Society for the Study of Amphibians and Reptiles