Monday, 11 a.m. - 7 p.m.
Tuesday, 9 a.m. - 1 p.m.
Wednesday, Closed
Thursday, 9 a.m. - 1 p.m.
Friday, 9 a.m. - 5 p.m.
Open third Saturday of the month (except December)

The Research Library will be closed as of December 24th through the end of January for planning and special projects. It will be open by appointment only and on Saturday, January 18th, from 10:00 am to 4:00 pm. We apologize for any inconvenience and welcome you to visit again in February.

Closed major holidays - click here for the Society's Calendar of Events including open research Saturdays.

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

Would you like to be a library volunteer? - details

505 N. Market Street, Wilmington, Delaware 19801 - Specific directions and parking

(302) 655-7161