Cox,Joseph Frank
Crops : a self-teaching course, based on Crop management and soil conservation / by Joseph Frank Cox, Lyman E. Jackson and edited by P Alston Waring. - Washington : J. Wiley, c1944. - ix, 307 p. : ill. ; 19 cm. - United States War dept. Education manual .
Includes Index.
631.5 / COC
Crops : a self-teaching course, based on Crop management and soil conservation / by Joseph Frank Cox, Lyman E. Jackson and edited by P Alston Waring. - Washington : J. Wiley, c1944. - ix, 307 p. : ill. ; 19 cm. - United States War dept. Education manual .
Includes Index.
631.5 / COC