Forbes, John - Potts, John - McGowan, Wm. D. (William D.) - Historical Society of Pennsylvania
Union army's march on Gettysburg from Frederick, Md.
Regional view shows paths taken by different segments of the Union army on a march from Frederick, Md., to Gettysburg, Pa., as well as the location of the Confederate army units in the vicinity. The Union troops were under the commands of Reynolds, Howard, Sickles, Slocum, Hancock, Sykes and Gregg.
Sneden, Robert Knox
Map of the seat of war
Covers Virginia and Maryland and portions of Delaware, Pennsylvania, New Jersey and North Carolina. Shows some fortifications. Relief shown by hachures. Sewn on to and mounted on cloth backing. "Entered by Evans & Cogswell according of the act of Congress of the Confederate States in the Clerks Office of the Distr. Court of the District of South Carolina." Confederate imprint. Includes inset. Available also ...