defense of Charleston Harbor including Fort Sumter and the Adjecent Islands : 1863-1865 / by John Johnson ROTC instructor battlefield guide Guerre d'Amérique : campagne du Potomac, mars-juillet 1862 Battles of the American Civil War / [by] Curt Johnson & Mark McLaughlin Battle maps of the American Civil War / text by Richard O'Shea ; featuring maps by David Greenspan ; introd. by Robert K. Krick U.S. Army War College guide to the Battle of Gettysburg / edited by Jay Luvaas and Harold W. Nelson