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 Delaware Historical Society Research Library will be closed on Monday and Tuesday, October 14th and 15th, Thursday, October 17th, and Thursday and Friday, November 7th and 8th for staff development. We apologize for any inconvenience and look forward to seeing you soon.

Closed major holidays - click here for a full Society calendar including open research Saturdays.

Research Library -  click here for specific directions and parking
505 N. Market Street, Wilmington, Delaware 19801

(302) 655-7161

There is no admission charge for using the Research Library, but donations are welcome.  There are fees for certain services.

The Research Library holds rich collections of materials on Delaware history and genealogy.  Many items are cataloged in Ask Caesar, the society's online catalog.  Visit the Collections/Research section of this site for more information on the library's collections.  For genealogy, visit Delaware Genealogy: A Guide to Research at the Delaware Historical Society.

Click here for information on the Research Library policies and procedures.

Delaware History Museum   |  Mitchell Center for African American Heritage   |   Old Town Hall   |   Research Library   |   Willingtown Square    |   Read House & Gardens  

(302) 655-7161
505 N. Market Street, Wilmington, DE 19801
copyright 2019

The Delaware Historical Society is the statewide, non-profit organization that explores, preserves, shares, and promotes Delaware history, heritage, and culture to strengthen our community.