In Jan. 1978 three U. S. Dept. of Agriculture bodies, the Economic Research Service (established in Apr. 1961), the Statistical Reporting Service, and the Farmer Cooperative Service merged to form the Economics, Statistics, and Cooperatives Service. Works by these bodies are found under the following headings according to the name used at the time of publication: United States. Dept. of Agriculture. Economic Research Service. : United States. Farmer Cooperative Service. : United States. Dept of Agriculture. Statistical Reporting Service. : United States. Dept. of Agriculture. Economics, Statistics, and Cooperatives Service.