Insect enemies of western forests
By: compiled by F.P. Keen
Edition: Slightly rev. Apr. 1939.
Series: Miscellaneous publication / United States Department of Agriculture -- no. 273; Miscellaneous publication (United States. Dept. of Agriculture) -- no. 273.
Publisher: U.S. Dept. of Agriculture
Published: 1939
Place of publication: Washington, D.C
Language: eng
Number of pages: 210
Subjects: Forest insects; Trees; Diseases and pests
Notes: Caption title.

"April 1939."

Includes indexes.

Includes bibliographical references (p. 197-201).