Evolution of the Colors of North American Land Birds, Fachbücher von Charles Augustus Keeler

The Promise of The Ages, Fachbücher von Charles Augustus Keeler

Bird Notes Afield | Charles Augustus Keeler | Taschenbuch | Paperback

The Promise of the Ages, Belletristik von Charles Augustus Keeler

A Light Through the Storm, Fachbücher von Charles Augustus Keeler

The Evolution of Bird-Song, Fachbücher von Charles A. Witchell

Charles Augustus Keeler | The Siege Of The Goden City | Taschenbuch |

Life Histories of North American Birds with Special Reference to their, Fachbücher von Charles Bendire

The Birds of Eastern North America, Fachbücher von Charles Johnson Maynard

Check-list of North American birds, Fachbücher

The Code of Nomenclature and Check-List of North American Birds, Fachbücher

The Standard Catalogue of North American Birds Eggs, Fachbücher von Frank H. Lattin

The Birds of Eastern North America, Fachbücher von Charles B. Cory, Field Museum Natural History

A check list of North American birds, Fachbücher von Elliott Coues

Nests and Eggs of North American Birds, Fachbücher von Oliver Davie

The Birds of Eastern North America known to Occur East of the Ninetieth Meridian, Fachbücher von Charles B. Cory