Peterson Field Guide to Reptiles and Amphibians of Eastern and Central North America, Fourth EditionRobert Powell, Roger Conant, Joseph T. Collins · First published 2016Open the Tome
An illustrated guide to endangered or threatened species in KansasJoseph T. Collins · First published 1995Open the Tome
Standard common and current scientific names for North American amphibians and reptilesJoseph T. Collins · First published 1978 · Latest edition 1982Open the Tome
