111 W. Montgomery Avenue
Rockville, Maryland 20850
The principal research facility at Montgomery History is the Jane C. Sween Library, a non-circulating library and special collections located at the Beall-Dawson Historical Park in Rockville. Named for first librarian, researcher, current volunteer and author Jane C. Sween, the library strives to collect, preserve, and make available the rich history of Montgomery County and its residents in the form of primary and secondary resources related to local history and genealogy.
Search our Collections
Or use the catalog-specific searches to narrow your results:
Library: the books and other secondary sources on local history and genealogy available in our non-circulating library can be found using the Montgomery County Public Library’s online search.
Archives: the library’s special collections, consisting of primary source archival documents (wills, deeds, correspondence, diaries, photographs, maps and much more) collected and/or donated by Montgomery County families and residents.*
Photos: our extensive photograph collection, consisting of 8 x 10 images, snapshots and slides.
Or view lists of the resources available at the Library.
*For more information about the resources you find in the Archives portion of our online database, please contact the librarian. Some material may be difficult to access or need special permission to view depending on condition. We suggest you make an appointment ahead of your visit to ensure you are able to view desired materials.
Visit the Library
Our Librarian and dedicated team of experienced volunteers are happy to assist you with your research! The library is located on the same campus as the Beall-Dawson House, Stonestreet Museum, and Montgomery History administrative offices, off W. Montgomery Avenue in Rockville. Parking is available for free in our lots off Middle Lane, as well as on the street (2-hour limit).
Location: The street address of the library is 42 Middle Lane, between N. Adams St. and N. Van Buren St. in Rockville, MD.
Hours: Wednesday through Friday, 10:00 am – 4:00 pm, and Saturday 12:00-4:00 pm. Closed major holidays. The Library also follows the Montgomery Public Schools in closing for hazardous weather conditions.
Fees and Services: The library charges a daily research fee to cover expenses. We also charge fees for duplication as outlined below.
Daily Research Fee:
$5 adults / $3 seniors and students / Montgomery History members free!
$0.25/page for photocopies of materials
$10.00/image for re-scanned digital photographs (higher than 300 dpi)
Rules for the Reading Room:
Remote Research Services
Research services may be available from the staff depending on the nature of the request. Contact the Librarian for more information.
For more information, contact:
Sarah Hedlund, Archivist/Librarian