Proceedings of the World's Grain Exhibition and Conference, Regina, Canada, July 24th to August 5th, nineteen hundred and thirty-three, held under the distinguished patronage of His Excellency the Governor General of Canada
Proceedings of the World's Grain Exhibition and Conference, Regina, Canada, July 24th to August 5th, nineteen hundred and thirty-three, held under the distinguished patronage of His Excellency the Governor General of Canada