Coppess, Jonathan. "A Brief History of Farm Conservation Policy". Policy Matters. Department of Agricultural and Consumer Economics, College of ACES, University of Illinois. Retrieved 27 January 2022.
usda.gov
ers.usda.gov
Glaser, Lewrene K. (1986). Provisions of the Food Security Act of 1985(PDF). USDA Economic Research Service. p. Agriculture Information Bulletin No. 498. Retrieved 27 January 2022.
