Amphibians of North America has a subtitle of "A Guide to Field Identification". This guide is intended to help one identify the various species within the categories of frogs, toads and salamanders.
160/Softbound/Illustrations/Photographs/Maps
Lexicon
Nomenclature 4.0
Nomenclature Primary Object Term
Book
Nomenclature Sub-Class
Other Documents
Nomenclature Class
Documentary Objects
Nomenclature Category
Category 08: Communication Objects
LOC Thesaurus for Graphic Materials
Amphibians
Search Terms
Biology, Amphbians, Frogs, Toads, Salamanders, North America