Descriptive Catalogue if the Government Publications of the United States, September 5, 1774-March 4, 1881 - first comprehensive bibliography for government publications not published until 1885. Under the leadership of Benjamin Poore.
The Monthly Catalog of the United States Government Publications was the most comprehensive index to materials from the 20th Century. The Monthly Catalog was first issed in 1885 and was unchanged until 1976 when the Government Printing Office (GPO) began following modern library practices using LC Subject headingsm following cataloging rules and producing MARC records.
Two cumulative indexes, the Cumulative Subject Index to the Monthly Catalog of United States Government Publications, 1900-1971 and the Cumulative Title Index to U.S. Government Publications, 1789-1976 are essential sets to locating documents prior to 1976.
The Monthly Catalog is no longer published in print format. Today, GPO uses their Catalog of U.S. Government Publications (CGP) to provide cataloging information on government publications