1. The Iron-Clad "Keokuk" sinking on the morning after the battle, at Charleston, South Carolina Collection: South Carolina and the Civil War Institution: University of South Carolina. South Caroliniana Library
2. Map of Charleston, S.C., and its approaches, showing the scene of the battle of 7th April, 1863. Collection: South Carolina and the Civil War Institution: University of South Carolina. South Caroliniana Library