Cover image for Insect enemies of western forests
Title:
Insect enemies of western forests
Author:
Keen, F. P. (Frederick Paul), 1890-
Publication Information:
Washington, D.C. : U.S. Dept. of Agriculture, 1938.
Physical Description:
210 pages : illustrations ; 23 cm.
General Note:
Caption title.

Includes indexes.
Language:
English
Format :
Book