You can view the Delaware Historical Society's online collections catalog by using any of the links below. New materials are added frequently, so be sure to visit often!


Ask Caesar has three entry points:

- The Library Catalog includes books, rare books, serials, newspapers, pamphlets, and maps.

- The Archives Catalog includes manuscripts, personal, organizational, and business records, photographs, and other images.

- The Object Catalog includes a wide range of artifacts relating to Delaware history.

Ask Caesar is made possible by a grant from the U.S. Institute of Museum and Library Services.
The Institute of Museum and Library Services is the primary source of federal support for the nation’s 123,000 libraries and 17,500 museums. The Institute’s mission is to create strong libraries and museums that connect people to information and ideas.  

The Delaware Historical Society also thanks the Crystal Trust for support for Ask Caesar.

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505 N. Market Street, Wilmington, DE 19801
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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.