Columbia subject headings:
Harvard subject headings:
United States--History--Civil War, 1861-1865--Literature and the war--Sources.
United States--History--Civil War, 1861-1865--Medical care--Sources.
United States--History--Civil War, 1861-1865--Psychological aspects--Sources.
Princeton subject headings:
United States--History--Civil War, 1861-1865--Literature and the war--Sources.
United States--History--Civil War, 1861-1865--Medical care--Sources.
United States--History--Civil War, 1861-1865--Psychological aspects--Sources.