Hooper, Errol D. books & textbook
A Key to Amphibians & Reptiles of the Continental United States and Canada
Powell, Robert Collins, Joseph T. Hooper, Errol D.
Univ Pr of Kansas /1998T Paperback / 131 Pages
isbn-10: 0700609296 / isbn-13: 9780700609291
Amphibians, Reptiles, and Turtles in Kansas
Joseph T. Collins Suzanne L. Collins Travis W. Taggart Errol D. Hooper
Eagle Mountain Publishing /2010T Hardcover / 312 Pages
isbn-10: 0972015450 / isbn-13: 9780972015455
Key to the Herpetofauna of the Continental United States and Canada: Second Edition, Revised and Updated
Robert Powell Joseph T. Collins Errol D. Hooper
University Press of Kansas /2012-02-01 Paperback / 160 Pages
isbn-10: 0700618333 / isbn-13: 9780700618330
