Catalog of U.S. Government Publications via GPO This link opens in a new windowCatalog of U.S. Government Publications is an index to the publications of the United States Government and includes Government Printing Office records from 1976 to the present. Because the US Government publishes in almost every conceivable field, Catalog of U.S. Government Publications can be used to locate information on Congress, the environment, crime, law, transportation, demography, energy, education, and medicine, among others.