Columbia subject headings:
Antietam, Battle of, Md., 1862.
Maryland Campaign, 1862.
United States--History--Civil War, 1861-1865--Campaigns.
Harvard subject headings:
Antietam, Battle of, Md., 1862
Maryland Campaign, 1862.
Virginia--History--Civil War, 1861-1865.
Princeton subject headings:
Antietam, Battle of, Md., 1862.
Maryland Campaign, 1862.
Virginia--History--Civil War, 1861-1865.