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