Civil War
Delaware Army National Guard: The Civil War, Delaware in the Civil War, Historical Society of Delaware - Delaware in the C, Smyth's Brigade, 2nd Corps Army of the Potoma
Organizations
Historical Society of Delaware, Jewish Historical Society of Delaware, The Georgetown Historical Society
Delaware Facts and History
A wide variety of interesting information on Delaware's history, collected at the State of Delaware's website.
Historical Society of Delaware
Featuring information on the Delaware History Museum and Delaware historic sites.
The Fort Delaware Society
Dedicated to the preservation and interpretation of Fort Delaware
The History of Swedes and Finns in Delaware Valley
Listing of resources in Delaware Valley [Pennsylvania, New Jersey and Delaware] related to the first settlers from Sweden