List of classes of United States government publications available for selection by depository libraries / Office of the Assistant Public Printer (Superintendent of Documents), U.S. Government Printing Office.
Description based on: Dec. 1977; title from caption.
Latest issue consulted: rev. Apr. 2006; title from cover.
Some issues combined.
Some issues have incorrect rev. date in caption; the correct rev. date is on cover.
Latest issue with updates available via Internet from the GPO Access web site, under title: List of classes. Address as of 1/16/04: http://www.access.gpo.gov/su%5Fdocs/fdlp/pubs/loc/index.html; current access is available via PURL.
Vols. for <Dec. 1977>-June 1982 issued by: Office of the Superintendent of Documents; Oct. 1982-Dec. 1984 by: Depository Administration Branch, Information Dissemination/Superintendent of Documents; Mar. 1985-2004 by: Depository Administration Branch, Superintendent of Documents; 2005 by: Office of Acquisitions & Development, Information Dissemination (Superintendent of Documents); 2006- by: Library Technical Information Services.