The San Jose scale
By: by A.L. Lovett.
Contributors: Oregon Agricultural College. Extension Service.
Series: Cir -- 167.; Circular (Oregon Agricultural College. Extension Service) -- 167.
Publisher: Oregon Agricultural College, Extension Service
Published: 1920
Place of publication: Corvallis, OR
Language: eng
Subjects: San José scale.
Notes: Caption title.

"February 18, 1920."