1. Introduction to United States Public Documents;Morehead,1983
2. Estimates of the Population of New York Counties and Metropolitan Areas: July 1. 1981, 1982, and 1983;U.S. Bureau of the Census,1985
3. Federal-State Cooperative Program for Local Population Estimates: Test Results-April 1, 1970;U.S. Bureau of the Census,1973
4. Provision of Federal Government Publications in Electronic Formal to Depository Libraries,1984
5. Michael J. Batutis, interview with author.