Diseases of plants in the United States in 1930
By: compiled by M.F. Barrus, O.C. Boyd and Jessie I. Wood
Contributors: Boyd, O. C.; Wood, Jessie I.; United States. Division of Mycology and Disease Survey
Series: Plant disease reporter -- suppl. 81; Plant disease reporter -- suppl. 81.
Publisher: Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture
Published: 1931
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 135
Subjects: Plant diseases
Other titles: Plant diseases in the United States in 1930
Notes: Caption title.

"December 31, 1931."