1. Bollman, R. D. (1980). A Comparison of the Money Incomes of Farmers and Non-Farmers, Can. J. agric. Econ, Proceedings of Annual Meeting 1980.
2. Brinkman, G. L. (1980). Reflections on Farm Incomes in the 1970s, Can. J. agric. Econ, Proceedings of Annual Meeting 1980.