STEJNEGER, LEONHARD.
A check list of North American amphibians and reptiles. By Leonhard Stejneger & Thomas Barbour. 4th ed.
STEJNEGER, LEONHARD. A check list of North American amphibians and reptiles. By Leonhard Stejneger & Thomas Barbour. 4th ed. © 9Jun39; A131395. President & Fellows of Harvard College (PWH); 6Jul66; R389074.
President & Fellows of Harvard College|PWH