Columbia subject headings:
Gettysburg Campaign, 1863.
Pennsylvania--History--Civil War, 1861-1865--Campaigns.
Pennsylvania--History--Civil War, 1861-1865--Cavalry operations.
United States--History--Civil War, 1861-1865--Cavalry operations.
Harvard subject headings:
Gettysburg Campaign, 1863.
Pennsylvania--History--Civil War, 1861-1865--Campaigns.
Pennsylvania--History--Civil War, 1861-1865--Cavalry operations.
United States--History--Civil War, 1861-1865--Cavalry operations.
Princeton subject headings:
Gettysburg Campaign, 1863.
Pennsylvania--History--Civil War, 1861-1865--Campaigns.
Pennsylvania--History--Civil War, 1861-1865--Cavalry operations.
United States--History--Civil War, 1861-1865--Cavalry operations.