Arming against the gypsy moth
Series: Picture story -- no. 189; Picture story (United States. Department of Agriculture) -- no. 189.
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service
Published: 1965
Place of publication: [Washington, D.C.]
Language: eng
Subjects: Gypsy moth; Biological control
Notes: Caption title.

"October 1965."