Bean mosaic and the safety first principle
By: by H.P. Barss.
Contributors: Oregon Agricultural College. Extension Service.
Series: Cir -- 127.; Circular (Oregon Agricultural College. Extension Service) -- 127.
Publisher: Oregon Agricultural College, Extension Service
Published: 1918
Place of publication: Corvallis, OR
Language: eng
Subjects: Bean -- Diseases and pests -- Oregon.; Bean mosaic virus -- Oregon.
Notes: Caption title.

"August 23, 1918."