It is best to make an appointment with the archivist before coming to the library. Holdings are in the same building as the Historical Society of Delaware . They include archives of synagogues, various Jewish social service agencies, and other documents of Jewish interest. Indexes cover most states in book and microfilm form. Immigration and naturalization records for Federal Courts primarily in Pennsylvania, Delaware, and Maryland.
Indexes are available.
There is also a substantial library of reference books covering many phases of genealogical research. During the move the Archives hours will be 1 PM until 5 PM for textual, photographic, and cartographic records. The Archives will be closed to all public access near the end of the move. The tentative dates are October 7 - 9. One of the important aims of the move is integration of the City Archives and the Register of Wills Archives.