To better serve our researchers, the Delaware Historical Society Research Library will be closed from Tuesday, January 3-Friday, March 3, 2017 for reorganization. While staff will be unable to accept online research requests during this period, researchers will still be able to access our online catalog, Ask Caesar. For your convenience, the library will remain open at the following times:
Mondays, 11:00 a.m.-7:00 p.m.
Saturday, January 21, 10:00 a.m.-4:00 p.m. and Saturday, February 18, 10:00 a.m.-4:00 p.m.
Thank you for your patience and continued interest in the Delaware Historical Society. Our library staff looks forward to serving you when we resume normal operating hours on Monday, March 6, 2017.
Closed major holidays - click here for the Society's Calendar of Events
Collecting and preserving Delaware materials for over 150 years, the Society has a rich and varied collection of books, ephemera, newspapers, serials, maps, manuscripts and photographs relating to the history of Delaware and its people. The Society's online catalog includes books, rare books, pamphlets, newspapers, maps, manuscripts, and photograph collections. Click here for a brief listing of our Library Collections.
Visitors are welcome to use the library free of charge, but there are fees for photocopies, use of digital cameras, etc. - click here for details.
Before your visit, click here for library regulations to help prepare your research.
The library also holds a strong collection of materials for individuals doing genealogical research. For more information on genealogy at the Society, please see Delaware Genealogy: A Guide to Research at the Delaware Historical Society
505 N. Market Street, Wilmington, Delaware 19801 - Specific directions and parking