1. Carley D. H. Labor Utilization and Costs on Georgia Dairy Farms. The University of Georgia Agricultural Experiment Station Research Bulletin 241, August, 1979.
2. Wiggins George . “Standardized Lactation Curves Adjusted for Month of Calving.” Unpublished manuscript, Animal Improvement Laboratory, Beltsville, Maryland, 1979.
3. Christensen Rondo A. , Petterson Douglas E. , and Swainston Allan H. The Function and Costs of Market Milk Reserves and Balancing Supply with Demand. Utah State University Economics Research Institute Study Paper 79–8, September, 1979.
4. U.S.D.A., Agricultural Marketing Service, “Federal Milk Marketing Order No. 4,” reprinted from Federal Register of April 30, 1975 (effective June 1, 1975).
5. Maryland Department of Agriculture, Maryland Agricultural Statistics, June, 1979, and earlier issues.