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FDLP Resource Guides
Beginning summer 2023, we are updating our guides. You may notice changes to the look and feel of our existing guides. If you have any questions or experience any issues, please contact askGPO.

LSCM Library Technical Services Information Portal: What's New

Provides lists of resources about cataloging government publications, information on the work and initiatives of Library Technical Services, and data about CGP records.

Welcome to the LTS LibGuide!

We launched this resource as a portal to provide information and news about the ongoing work of the Library Technical Services staff, our initiatives, and our projects and major developments in the cataloging/metadata field that impact access to U.S. Federal Government publications.

We ask that you please send questions and suggestions to LTS by submitting an inquiry in the Cataloging/Metadata (Policy and Records) category via askGPO.

Data on Policy Areas Terms in GPO Records (8/28/2023)

In October 2022, LTS began a test to assign Policy Areas terms in CGP records to provide access to the public policy content of Congressional publications. The Congressional Research Service uses the terms to categorize bills and resolutions on We enter the terms in MARC 650 subject fields with the Subject Heading and Term Source Code “cgpa” in subfield 2.

We used all terms at least once except for Social Sciences and History and Sports and Recreation. We added at least one term in 1,672 records. We added two terms in 37 records. We used a total of 1,709 terms. The top five terms are:

  • Government Operations and Politics (326)
  • Public Lands and Natural Resources (152)
  • Health (135)
  • Crime and Law Enforcement (110)
  • Economics and Public Finance (100)

CGP records with the Policy Areas terms may be retrieved by this expert mode search: WLTS=PUBPOLTERMS

For the full metrics, please visit the LTS Data tab.

News alert: Policy Areas Terms: Test Update.

Document Discovery Records Data (8/14/2023)

Federal Government agencies are required by statutory mandate to provide Federal publications to the Federal Depository Library Program (FDLP) and Cataloging & Indexing Program (44 U.S.C. §§ 1710, 1902-1903). Document Discovery is one of the methods to notify GPO of new publications that agencies have produced. For more information, please visit the Dissemination Program page on

We have compiled preliminary data about the CGP records for Document Discovery publications and posted the tables on the LTS Data tab. The data covers the period of May 2019 through June 2023. In that four-year span, we cataloged more than 3,100 Document Discovery publications. That number represents 4.3% of the approximately 73,000 records that we added to the CGP in the same time period.

New Serial Set Project Records Available on GitHub (7/20/2023)

A new group of United States Congressional Serial Set Serial Set Project MARC records is now available in the Catalog of U.S. Government Publications (CGP), and files of the records are available on GitHub. The record set includes 16,498 records (16,402 monographs and 96 serials) in various Congressional publication series, including House and Senate documents and reports. All records have Superintendent of Documents classification numbers for the Congressional publication and the Serial Set series and OCLC numbers. The records do not contain item numbers.

As of July 1, 2023, LTS has completed 30,209 records for the U.S. Congressional Serial Set Project. The records are available in the CGP and can be retrieved by the expert mode search: WLTS=SERIALSET? The records are available for downloading from LTS GitHub repositories in MARC UTF-8 and in MARC XML UTF-8. For more information about the project, please visit the Digitizing the United States Congressional Serial Set page on

We have posted several data tables about the records on the LTS Data tab. The data are provisional, and we will periodically refresh and update the data.

  • General data
  • Publication types
  • Publication dates
  • Congress numbers
  • Presidential administrations

New All CGP Files Posted on GitHub (7/20/2023)

The U.S. Government Publishing Office (GPO) posted a new set of all Catalog of U.S. Government Publications (CGP) MARC bibliographic records (1,051,805 as of April 2023) on GitHub. Brief bibliographic records, also known as brief bibs, are included in the files. The records are available in UTF-8 in the cataloging-records-all-cgp-utf8 repository and in MARC XML in the cataloging-records-all-cgp-marcxml repository.

For more details, please see the FDLP news alert, LSCM GitHub Repositories Updates.