Potatoes
Squirrell, W.J., MacLennan, A.H.
Potatoes - Ridgetown 1928 - 1-22 p. - Potatoes Ontario Agricultural Experiment Station. Bulletin No. 339 .
Potatoes - Ridgetown 1928 - 1-22 p. - Potatoes Ontario Agricultural Experiment Station. Bulletin No. 339 .