Amphibian Specialist Group
http://www.amphibians.org/
British Herpetological Society
http://www.thebhs.org/
Centre for North American Herpetology
http://www.cnah.org/
Frösche - Frogs - Anuros
http://www.kwet.de/
Herpetological Conservation Trust
http://herpconstrust.org.uk/