How teachers of rural elementary schools may use Farmers' Bulletin 660, weeds, how to control them
Series: S.R.S. doc -- W 39.
Publisher: U.S. Government Printing Office
Published: 1917
Place of publication: Washington
Language: eng
Subjects: Botany; Study and teaching (Elementary)
Notes: Caption title

"F. E. Heald, Specialist in Agricultural Education. Approved: C. H. Lane, Chief Specialist in Agricultural Education. January 16, 1917"--page 2