Monthly Catalog of U.S. Government Publications (Chadwyck-Healey)
January 1895 - June 1976, updated monthly. Issued by the Superintendent of Documents for the Government Printing Office, catalogs all publications of the United States government, including those of the Congress and all executive departments (with the exception of administrative and confidential or restricted documents). The government prints thousands of documents each year, and many of these are sent to depository libraries.
Coverage: January 1895 - June 1976