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Planning Your Visit

Department Move Alert

Library Headquarters will close to the public on Saturday, May 28 at 5:00 p.m.

History & Genealogy Department services will be suspended until Tuesday, July 5. The Department will be relocated to the Daniel Boone Branch where the Department will reside during construction of a new Ladue Branch. There will be some limitations on service and access to materials, however, staff will continue to assist researchers with their needs and any requests. Learn more about the Headquarters construction project.


Library location, contact information, and hours

Note: Closing on May 28, 2022

History & Genealogy
St. Louis County Library Headquarters
1640 S. Lindbergh Blvd.
St. Louis, MO 63131

Note: Temporary Location Opening TBA

History & Genealogy
Daniel Boone Branch
300 Clarkson Rd, 
Ellisville, MO 63011

(314) 994-3300—General library information
(314) 994-3300 — dial 5—History and Genealogy


Monday – Thursday  9:00 a.m. – 9:00 p.m.
Friday & Saturday  9:00 a.m. – 5:00 p.m.
Sunday  1:00 – 5:00 p.m.

The library staff reserves the right to inspect all items before a visitor enters or exits the History & Genealogy Department.



Q.  Can I bring in food or drinks?

A.  Food and drinks are not permitted in the History & Genealogy Department.

Q. Can I search the library's catalog on the Internet before I come?

A. St. Louis County Library offers an online catalog, and the History and Genealogy Department also offers online indexes and finding aids for many of its sources.

Q.  How do you organize your collections?

A.  The History & Genealogy Department is organized using the Dewey Decimal System. For genealogy, this means many of our resources are organized by state and county.  We have created a guide: Dewey Decimal Numbers for States and Counties to assist you in your research.  

Q. How do I find out what is new in your department?

A. History & Genealogy publishes new acquisitions in PastPorts newsletter. Sign up to receive email notices when a new PDF issue is available or download current and past issues.

Q. Can books be checked out from the History and Genealogy Department?

A. Books in the National Genealogical Society Book Loan Collection may be checked out with a valid St. Louis County Library card or obtained through interlibrary loan.

Q. Do you offer internet access or wifi?

A. History & Genealogy offers both computer access and wi-fi.

Q. Does History & Genealogy have Microfilm / Microfiche readers?

A. Yes, there are digital microfilm / microfiche readers available.

Q. Can I access your subscription databases?

A. Researchers have full access to all genealogical subscription databases while in any branch of the library. A list of databases along with information about remote access is available on the library’s website.

Q. What equipment do you have for making photocopies?

A. One photocopier is available for making 8-1/2" x 11" and 11" x 17" prints. 

Q. What equipment do you have for making digital copies?

A. The photocopies will make digital copies for saving to a flash drive. The department also has an overhead book scanner that will save to a flash drive.