1Aheam, Mary; Roger Strickland and Jim Johnson:The Distribution of Income and Wealth of Farm Operator Households, American Journal of Agricultural Economics ,67, No 5,1985.
2Aheam, Mary; Jet, Yee; E Ball and R Nehring: Agricultural Productivity in US ,USDA, ERS:Agricultural Information,1998.
3Aheam, Mary; Jet, Yee and J Bottum: Regional Trends in Extension Resources ,Working Paper Presented at the Southern Agricultural Economics Association Meetings, 2002.
4Gardener, Bruce: Changing Economic Perspectives on the Farm Problem,Journal of Economic Literature, 1992.
5Huffman, Wallace E : Human Capital: Education and Agriculture, Handbooks of Agricultural Economics, 2002.
6Penn, JB : The Structure of Agriculture, Structure Issues of American Agriculture, USDA, ESCS, AER, No 438, November,1979.
7Putnam, J and J AUshouse: Food Consumption, Prices and Expenditures, 1970 - 1997, USDA, ESCS, ERS ERS- SB- 965,April 1999, Tables 99 and 101.
