1-24 of 55 Books

The grouse and wild turkeys of the United States, and their economic value
By Sylvester Dwight Judd

Some common birds useful to the farmer
By F. E. L. Beal

Useful birds and their protection
By Edward Howe Forbush

Les oiseaux insectivores et les arbres d'ornement et forestiers
By Léon A. Provancher

The practical value of birds
By Junius Henderson

The economic value of birds to the state
By Frank Michler Chapman
Histoplasmosis and its relation to bird roosts
Histoplasmosis and its relation to bird roosts
By Robert J Weeks

Save our birds, save our forests
By Torolf R. Torgersen

Birds of a Maryland farm
By Sylvester Dwight Judd

Birds as a factor in controlling insect depredations
By Clarence Cottam

Hawks and owls from the standpoint of the farmer
By A. K. Fisher

A list of the insectivorous birds of New South Wales
By Alfred J. North
The hawks and owls of the United States in their relation to agriculture
The hawks and owls of the United States in their relation to agriculture
By A. K. Fisher

Our bird friends and foes
By William Atherton Dupuy
Ministers of agriculture give views on bird protection
Ministers of agriculture give views on bird protection
By Canada. National Parks Branch (1909-1936)
Ptit͡s︡y nad poli͡a︡mi
Ptit͡s︡y nad poli͡a︡mi
By Golovanova, Ė. N.

Economic ornithology and the correlation of laboratory and field methods
By Clarence Cottam
Zhongguo jing ji niao lei cai se tu pu
Zhongguo jing ji niao lei cai se tu pu
By
Beiträge zur angewandten Vogelkunde
Beiträge zur angewandten Vogelkunde
By Wilfried Przygodda,Zimmermann, Josef
Blackbird and cowbird
Blackbird and cowbird
By Denver Wildlife Research Center. Section of Bird Damage Control
Birds in relation to agriculture
Birds in relation to agriculture
By V. W. Jackson