Birds

Food Habits of the Thrushes of the United States

Birds useful and birds harmful

Natural History of the Bell Vireo, Vireo bellii Audubon

Bird Life Glimpses

The Bird Watcher in the Shetlands, with Some Notes on Seals—and Digressions

Nestlings

Nature's invitation: Notes of a bird-gazer, North and South

Everyday birds: Elementary studies

Birds of Manitoba

Some Common Birds Useful to the Farmer

Birds in the Calendar

Citizen Bird: Scenes from Bird-Life in Plain English for Beginners

Some Common Birds in Their Relation to Agriculture

Illustrations of the Family of Psittacidæ, or Parrots

For the Birds

Summer Birds From the Yucatan Peninsula, Mexico

Western Bird Guide: Birds of the Rockies and West to the Pacific

Cavity-Nesting Birds of North American Forests. Agriculture Handbook 511

Bird Stories from Burroughs

Essays on early ornithology and kindred subjects