The crow in its relation to agriculture
By: E.R. Kalmbach.
Contributors: United States. Bureau of Biological Survey.
Series: Farmers' bulletin / United States Dept. of Agriculture -- 1102; Farmers' bulletin (United States. Dept. of Agriculture) -- 1102
Publisher: [G.P.O.]
Published: 1920
Place of publication: Washington, D.C
Language: eng
Number of pages: 20
Subjects: Crows; Birds -- Food; Bird pests -- United States
Notes: Caption title.

On cover: Is it a farm pest?

"Contribution from the Bureau of Biological Survey."