Field crop entomology / by Don B. Whelan ...

Bibliographic Details

Main Author:	Whelan, Don B. (Don Bion), 1887-1969
Language:	English
Published:	St. Louis ; Chicago [etc.] : Planographed by John S. Swift Co., Inc., [1938], [©1938]
Subjects:	Insect pests. Agricultural pests. Beneficial.
Physical Description:	56 leaves : illustrations ; 23 cm
Format:	Book