- E-bookNorth American Recent Soft-shelled Turtles (Family Trionychidae)Robert G. Webb
- E-bookNorth American Recent Soft-Shelled Turtles (Family Trionychidae)Robert G. Webb
- E-bookA New Species of Frog (Genus Tomodactylus) from Western MexicoRobert G. Webb
- E-bookSome Reptiles and Amphibians from KoreaGeorge W. Byers
- E-bookDescription of a New Softshell Turtle From the Southeastern United StatesRobert G. Webb
- E-bookA New Species of Frog (Genus Tomodactylus) from Western MexicoRobert G. Webb
- E-bookSome Reptiles and Amphibians from KoreaGeorge W. Byers
- E-bookNorth American Recent Soft-Shelled Turtles (Family Trionychidae)Robert G. Webb