The European elm scale in the west
By: by Frank B. Herbert
Series: Department bulletin / United States Department of Agriculture -- no. 1223; Department bulletin (United States. Dept. of Agriculture) -- no. 1223.
Publisher: U.S. Dept. of Agriculture
Published: 1924
Place of publication: Washington, D.C
Language: eng
Number of pages: 20
Subjects: Forest insects; Elm; Diseases and pests
Notes: Caption title.

"July 10, 1924."

Bibliography: p. 18-19.