The principal research facility at the Montgomery County Historical Society is the Jane C. Sween Library, a non-circulating library and archives located at the Beall-Dawson Historical Park in Rockville.

Library and Archive Collections
To learn more about the resources available at the MCHS Library, click here.

Research Services
Research services are available in the MCHS library collections. For information about submitting a research request, click here.

Hours and Directions
The MCHS Library is located at 111 W. Montgomery Ave., Rockville, MD 20850.  The Library is open Wednesday-Friday, 10-4p.m., Saturday 12-4p.m. For directions to the library, click here. Please note: The MCHS Museums and Library will be CLOSED July 3-5, 2010 for the 4th of July weekend. 

For more information call (301) 340-2974 or e-mail info@montgomeryhistory.org.