Gereral agriculture in the high schools of Iowa
Starrak, J.A., Kneedy, M.W.
Gereral agriculture in the high schools of Iowa - Ames 1944 - 188-232 p. - Agriculture Iowa Agricultural Experiment Station. Research Bulletin No. 327 .
Gereral agriculture in the high schools of Iowa - Ames 1944 - 188-232 p. - Agriculture Iowa Agricultural Experiment Station. Research Bulletin No. 327 .