The New era in world agricultural trade : perspectives for the Prairies and the Great Plains : proceedings of a seminar jointly sponsored by the Department of Agricultural Economics, Universities of Minnesota and Manitoba in Winnipeg on November 13-15, 1979
Proceedings of the Thirteenth International Conference of Agricultural Economists, held at the University of Sydney, Sydney, New South Wales, Australia, 21-30 August 1967 : The economist and farm people in a rapidly changing world