Columbia subject headings:
Art appreciation--Study and teaching--United States--History--19th century.
Harvard subject headings:
Art--Study and teaching--United States--History--19th century.
Cross, Emma Augusta, 1850-1933.
Cross, Henry Clay, 1852-1913.
Cross, Joel Foster, 1846-1925.
Princeton subject headings:
Art appreciation--Study and teaching--United States--History--19th century.