Services we provide
Basic research assistance related to genealogy, U.S. local history, and heraldry
Answers to queries requiring resources unique to the Library of Congress
Response within 5 business days

Services we cannot provide
Extensive research in genealogy or heraldry, due to time and staff constraints -- the Board for Certification of Genealogists maintains a list of researchers who will perform extensive research for a fee

Visit the
Local History and Genealogy
Reading Room Web page

Ask a Librarian:
If you have a reference question, proceed to the online form; get answers via email.

Contact us by phone or fax:
  Fax: (202) 707-1957

Send us written correspondence*:
  Reference Referral Service
  Library of Congress
  101 Independence Ave. SE
  Washington, D.C. 20540-4660

* please read - information on mail delays

Also, try consulting these online resources:
Library of Congress Online Catalog to search for books or journals at the Library of Congress.
Genealogical Research at the Library of Congress - an introduction for onsite researchers.
Tours and research orientation information for the Local History and Genealogy Reading Room.
Donating published genealogies to the Library of Congress collections.
Links to Genealogy Resources on the Web
Links to LDS Family History Centers on the Web