History of entomology in the Pennsylvania Department of Agriculture /

Bibliographic Details
Main Author:	Wheeler, A. G. (Alfred George), 1944-
Other Authors:	Valley, Karl
Format:	Book
Language:	English
Published:	[Harrisburg, Pa.] : Pennsylvania Dept. of Agriculture, [1975?]
Subjects:	Pennsylvania. > Department of Agriculture. Entomology > History.

Description
Physical Description:	37 pages : illustrations ; 23 cm.