Columbia subject headings:
Harvard subject headings:
Bull Run, 1st Battle of, Va., 1861.
United States--History--Civil War, 1861-1865--Campaigns.
Virginia--History--Civil War, 1861-1865--Campaigns.
Princeton subject headings:
Bull Run, 1st Battle of, Va., 1861.
United States--History--Civil War, 1861-1865--Campaigns.
Virginia--History--Civil War, 1861-1865--Campaigns.