. . . "Amphibians of north america : ill by sy barlowe" . "Guide des batraciens de l'Amérique du Nord : guide d'identification sur le terrain" . "Guidebooks" . "A guide to amphibian species of the North American continent, excluding Mexico, including range maps, identification keys and detailed color illustrations." . . . . . . . . "Amphibians of North America : a guide to field identification" . "Guide to field indentification (en tete du titre)" . "Amphibians of North America" . "Amphibians of North America"@en . . . . . . . "Amphibiens Amérique du Nord Identification." . . . .