Columbia subject headings:
Nationaltheater Mannheim--History--18th century.
Nationaltheater Mannheim--History--19th century.
Theater--Germany--Mannheim--History.
Harvard subject headings:
Nationaltheater Mannheim--History--18th century.
Nationaltheater Mannheim--History--19th century.
Theater--Germany--Mannheim--History.
Princeton subject headings:
Nationaltheater Mannheim--History--18th century.
Nationaltheater Mannheim--History--19th century.
Theater--Germany--Mannheim--History.