| LostDocs@GPO.gov (for reporting fugitive documents--Fugitives are those documents of public interest or educational value, and not classified for reasons of national security, which have not been acquired for distribution to Federal depository libraries or disseminated through the Catalog of U.S Government Publications (CGP).
GODORT International Documents Task Force (IDTF) online cataloging handbooks and manuals, geographic and foreign language reference sources, megapages of library organizations, online tool collections of individual libraries, IGO classification guides, and other selected resources. The Toolbox was created by Andrea Morrison and Marian Shaaban, Barbara Mann, and David Griffiths
Thomas G. Tyler's GPO Marc Internet Resources--GPO records with 856 fields. These date from 1995 to the Present. Each comes with an OCLC PURL as well as the GPO-identified URL.