E Duellman William

A Distributional Study Of The Amphibians Of The Isthmus Of Tehuantepec, Mexico

Amphibians And Reptiles Of The Rainforests Of Southern El Petén, Guatemala

Liste Der Rezenten Amphibien Und Reptilien. Hylidae, Centrolenidae, Pseudidae

An Introduction To The Amphibians Of Ecuador

Descriptions Of New Hylid Frogs From Mexico And Central America

The Biology Of An Equatorial Herpetofauna In Amazonian Ecuador (Classic Reprint)

A Systematic Review Of The Marsupial Frogs (Hylidae, Gastrotheca) Of The Andes Of Ecuador (Classic Reprint)

The South American Herpetofauna: Its Origin, Evolution, And Dispersal (Monograph Of The Museum Of Natural History, The University Of Kansas)

Cusco Amazonico - The Lives Of Amphibians And Reptilesin An Amazonian Rainforest