1. The Management of Federal Information Resources;Federal Register,1985
2. GPO's Depository Library Program;Hernon,1985
3. Letter from Raymond J. Koski, Chief, Publications Services Division, Bureau of the Census, to depository libraries, September 1, 1977.
4. State Data Centers: Improving Access to Census Information;Redmond;Government Information Quarterly,1986
5. American Library Directory 1989–1990,1989