Field book of snakes of the United States and Canada

Karl P. Schmidt by Karl P. Schmidt and D. Dwight Davis
Bok · Engelsk · 1941

Utgitt	New York : G.P. Putnam's Sons , c1941
Omfang	365 s. : ill.
Emner	Reptiles - Canada Reptiles - United States Snakes - Canada Snakes - United States Reptilia