Lists and describes federal publications (1976- ) and provides direct links to those that are available online. Search by authoring agency, title, subject, and general keyword. (See next tab for pre-1976 documents.)
You know you're going to use it, so use it efficiently: add site:.gov (site colon dot gov) to your keywords to limit searching to government websites. You can also limit searches to a specific department's or agency's website, such as site:dhs.gov (site colon dhs dot gov) to find only results from the Department of Homeland Security.
Presents online versions of major U.S. government publications, such as: the Congressional Record, congressional publications of all kinds, the Federal Register, Code of Federal Regulations, Supreme Court decisions, executive branch documents and more. (Replaces the FDsys website.)
Traces depository publications through agency changes and assigned SuDoc numbers. Entries include title, publication history, ISSN, frequency of distribution, short descriptions, and notes about changes. Provides agency, title, and keyword in title indexes. The "Agency Class Chronology" traces the history of all agencies current or defunct. (Print only.)
Indexes Congressional materials from 1789-present. Provides access to U.S. legislative information, including bills and pending legislation, legislative history, hearings, testimony, reports, documents, legislative calendars, committee rules of procedure, Congressional Record, CRS Reports, public laws, etc.
Authoritative and comprehensive summary of statistics on the social, political, and economic conditions of the United States. This database replaces the previously-free Census Bureau publication (which are available online). It uses many of the same, along with additional, data sources as the earlier editions.
This official handbook of the federal government describes programs and activities of the legislative, judicial and executive branches. The Manual also includes information about quasi-official agencies, international organizations with U.S. membership, and federal boards, commissions, and committees.
Since 2006, the National Archives and Records Administration (NARA) has harvested Congressional web sites at the end of each Congress. They also did a wider harvest of federal websites for the 2004 Presidential transition.
Not specific to government publications, but offers access to digital content from a number of partners including the National Archives, HathiTrust, Internet Archive, Government Publishing Office, Library of Congress, and more.
February 22, 2013 memo from the Office of Science and Technology Policy (OSTP), directing federal agencies to develop a plan to support increased public access to the results of research funded by the federal government.