1. HIEMSTRA, S. J. Food Consumption, Prices, and Expenditures. USDA Agric. Economics Rept. No. 138, 1968.
2. BUNTING, F., AND LEBOVIT, C. Percent of income spent for food—estimates from national income and household survey data. USDA Natl. Food Situation, Aug. 1971.
3. BUR. OF CENSUS Poverty increased by 1. 2 million in 1970. Consumer Income, Current Population Repts., Series P-60, No. 77, May 7, 1971
4. MADDEN, J. P., AND YODER, M. D. Program Evaluation: Food Stamps and Commodity Distribution in Rural Areas of Central Pennsylvania. Unpublished data from Pennsylvania State Univ.
5. REESE, B. A Special Study of the Allegheny County (Pennsylvania) Food Stamp Program, Winter 1970. Administrative Rept., USDA Economic Research Serv., 1971.