Collecting and preserving Delaware materials for over 135 years, the Society has a rich and varied collection of:


Books and Pamphlet collection


Manuscript Collection

Map Collection

National History Day Resources


Photograph Collection

Rare Books and Pamphlets

Roth Collection

Women's History Resources

Don't forget to Ask Caesar - our online catalog is updated daily!

Click here for an on-line look at the Collections / Research available at the Delaware Historical Society

If you don't see something you are looking for and "Ask Caesar" isn't able to help, please send us an email at or call during Research Library hours at (302) 655-7161 (Monday, 11:00 a.m. - 7:00 p.m., Tuesday and Thursday, 9:00 a.m. - 1:00 p.m., Friday 9:00 a.m.- 5:00 p.m., Closed Wednesdays). Open the third Saturday of each month, 10:00 a.m. - 4:00 p.m. (with the exception of December).

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.