1. Handbook of Larval Amphibians of United States and Canada.;Altig,2015
2. Extinction;Collins,2009
3. The Book of Frogs: A Life-size Guide to Six Hundred Species from Around the World;Halliday,2016
4. Salamanders of the Old World;Sparreboom,2014
5. The Ecology and Behavior of Amphibians.;Wells,2007