Boys' demonstration work: the corn clubs
Contributors: Knapp, Seaman Asahel, 1833-1911; Martin, O. B. (Oscar Baker), 1870-1935; Knapp, Bradford, 1870-
Series: (B. P. I.-644)
Publisher: Govt. print. off.]
Published: 1911
Place of publication: [Washington
Language: eng
Subjects: Boys; Agriculture; Societies and clubs; Societies
Notes: Signed: S.A. Knapp ... O.B. Martin.

---- ---- Rev. ed. [Washington, Govt. print. off.] 1912.

7 p. illus. 23cm. (B. P. I.-644)

Signed: Bradford Knapp ... O. B. Martin.

At head of title (both editions): United States Dept. of agriculture, Bureau of plant industry, Farmers' cooperative demonstration work, Washington, D.C.