Columbia subject headings:
Harvard subject headings:
Theater and society--Austria--History--19th century.
Theater and society--Germany--History--19th century.
Theater--Political aspects--Austria--Vienna--History--19th century.
Theater--Political aspects--Germany--Berlin--History--19th century.
Theater--Political aspects--Germany--Munich--History--19th century.
Princeton subject headings:
Theater and society--Austria--History--19th century.
Theater and society--Germany--History--19th century.
Theater--Political aspects--Austria--Vienna--History--19th century.
Theater--Political aspects--Germany--Berlin--History--19th century.
Theater--Political aspects--Germany--Munich--History--19th century.