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
Tradition and transition : extension education for the farm unit in a changing society : a study of all agricultural extension services in Alberta with new directions charted to 1980
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