White-pine blister rust
Subtitle: a comparison of European with North American conditions
By: by Perley Spaulding.
Contributors: United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 87; Technical bulletin (United States. Dept. of Agriculture) -- no. 87.
Publisher: U.S. Dept. of Agriculture
Published: 1929
Place of publication: Washington
Language: eng
Number of pages: 59
Subjects: Blister rust.; Pine -- Diseases and pests.
Notes: Cover title.

Literature cited: p. 48-58.