Index to supplements XIV-XVIII, Plant disease bulletin 1921
Series: Plant disease bulletin -- suppl. 19; Plant disease bulletin -- suppl. 19.
Publisher: Plant Disease Survey, Bureau of Plant Industry, United States Department of Agriculture
Published: 1921
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 381
Subjects: Plant diseases; Indexes
Other titles: Index to supplements 14-18; Plant disease bulletin
Notes: Caption title.

"December 31, 1921."