Wheat
Swanson, W. W.
Wheat by W.W. Swanson and P.C. Armstrong - Toronto Macmillan Co. of Canada 1930 - xiii, 320 p. 2 maps, diagr. 23 cm.
Wheat trade.
338.10971 / S972
633.11 S972W
Wheat by W.W. Swanson and P.C. Armstrong - Toronto Macmillan Co. of Canada 1930 - xiii, 320 p. 2 maps, diagr. 23 cm.
Wheat trade.
338.10971 / S972
633.11 S972W