Columbia subject headings:
Harvard subject headings:
Prints--19th century--United States.
United States--History--Civil War, 1861-1865--Art and the war--Exhibitions.
United States--History--Civil War, 1861-1865--Photographs--Exhibitions.
United States--History--Civil War, 1861-1865--Photography--Exhibitions.
War photography--Exhibitions.
Princeton subject headings:
United States--History--Civil War, 1861-1865--Art and the war--Exhibitions.
United States--History--Civil War, 1861-1865--Photography--Exhibitions.