The rise of applied entomology in the United States
By: by L. O. Howard
Published: 1931
Language: eng
Subjects: Beneficial insects; Insect pests
Notes: In Smithsonian institution. Annual report, 1930. Washington, 1931. 24 cm. p. 387-393.

"Reprinted ... from Agricultural history, vol. III, no. 3, July, 1929."