Gettysburg July 3 1863 : Union : the army of the Potomac /
Arnold, James R.
Wiener, Roberta,1952-
Oxford : Osprey Military,
2000.
Includes folded map attached to rear cover.
Includes bibliographical references.
United States. Army of the Potomac.
Gettysburg, Battle of, Gettysburg, Pa., 1863.