Columbia subject headings:
Motion pictures in education.
United States--History--Civil War, 1861-1865--Audio-visual aids.
United States--History--Civil War, 1861-1865--Study and teaching.
Harvard subject headings:
Motion pictures in education--United States.
United States--History--Civil War, 1861-1865--Motion pictures and the war.
United States--History--Civil War, 1861-1865--Study and teaching--Audio-visual aids.
Princeton subject headings:
Motion pictures in education--United States.
United States--History--Civil War, 1861-1865--Motion pictures and the war.
United States--History--Civil War, 1861-1865--Study and teaching--Audio-visual aids.