New university arithmetic : embracing the science of numbers, and their applications according to the most improved methods of analysis and cancellation
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
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