Rat proofing buildings and premises
By: [By James Silver ... and W.E. Crouch ... and M.C. Betts ...
Contributors: Betts, M. C. (Morris Cotgrave), 1875-1936, author; Crouch, W. E. (Winney Elmer), 1891- author
Series: U.S. Dept. of agriculture. Farmers' bulletin -- no. 1638; Farmers' bulletin (United States. Department of Agriculture) -- no. 1638.
Publisher: U.S. Govt. Print. Off.
Published: 1936
Place of publication: Washington
Language: eng
Number of pages: 26
Subjects: Rats
Notes: Joint contribution from Bureau of biological survey and Bureau of public roads.

First issued December 1930.