1. Agricultural development and regional economic integration;Barbero;Paper presented at the 16th International Conference of Agricultural Economist,1976
2. Matériaux et Réflexions pour une Réorientation de la Politique Agricole;Bergmann,1975
3. Farm Prices: Myth and reality;Cochrane,1958
4. American Farm Policy 1948–1973;Cochrane,1976
5. Speech to National Soyabean Processors Association;Lardinois,1976