"Delaware History, published semiannually, is the only scholarly journal devoted to the history of Delaware. It publishes articles on all aspects of Delaware history (excluding genealogy) written by scholars, college and graduate students, and avocational historians." web site.

Periodical includes information on genealogy, history and projects of the society contributing to the "preservation of the Swedish heritage in colonial America". The area of New Sweden covers parts of the states of Pennsylvania, New Jersey, and Delaware along the Delaware River.