1. Report of the Initial Focus Groups on Nutrition and Your Health: Dietary Guidelines for Americans, Fourth Edition. Systems Assessment and Research, Inc.; U.S. Dept. of Agriculture, Center for Nutrition Policy and Promotion, Washington, D.C; 1999.
2. A brief history of food guides in the United States;Welsh;Nutrition Today,1992
3. Developing a Food Guidance System to Implement the Dietary Guidelines;Cronin;J Nutr Ed.,1987
4. Development of the Food Guide Pyramid;Welsh;Nutrition Today,1992
5. USDA's Food Guide: Background and Development. U.S. Government Printing Office, Washington, DC: U.S. Department of Agriculture, Human Nutrition Information Service, 1993. Human Nutrition Information Service Misc. Publication No. 1514.