Herbert Spencer Zim

Fossils

Birds of the World. A Survey of the Twenty-seven Orders and One Hundred and Fifty-five Families ... Illustrated by Arthur Singer. Edited by Herbert S. Zim. Consultant for this Edition: Maurice Burton, Etc

Codes and Secret Writing

Birds of the World; a Survey of the Twenty-seven Orders and One Hundred and Fifty-five Families, Ed. by Herbert S. Zim

Birds of North America. By Chandler S. Robbins, Bertel Bruun, and Herbert S. Zim. Illustrated by Arthur Singer. (A Guide to Field Identification.).

Birds

Birds, A Guide to the Most Familiar American Birds, by Herbert S. Zim and Ira N. Gabrielson. Illustrated by James Gordon Irving

Mammals

Armoured Animals