US National Archives
Nara: American Originals: 54th Regiment Casualty List
An interesting webpage in that it contains a brief summary of the history of the Regiment as well as the Casualty List from the assault on Fort Wagner and two historic photos.
US National Archives
Our Documents: War Dept General Order 143: Creation of Us Colored Troops (1863)
Original document that permitted the recruitment of black troops during the Civil War. Read about events and issues leading up to and following the 1863 establishment of the Bureau of Colored Troops.