The card index of experiment station literature
Contributors: True, Alfred Charles, 1853-1929
Series: USDA Office of Experiment Stations Circular -- 47 (revised); USDA Office of Experiment Stations Circular -- 47 (revised)
Publisher: United States Government Printing Office]
Published: 1909
Place of publication: [Washington, D. C
Language: eng
Subjects: Agricultural experiment stations; Agriculture; Periodicals
Notes: Cover title.

Issued February 17, 1909.