Columbia subject headings:
Harvard subject headings:
Austria--History--Maria Theresa, 1740-1780
Holy Roman Empire--History--Joseph II, 1765-1790
Joseph II, Holy Roman Emperor, 1741-1790
Maria Theresa, Empress of Austria, 1717-1780
Theater and state--Austria--History--18th century.
Theater--Censorship--Austria--History--18th century.
Princeton subject headings:
Theater--Austria--18th century.
Theater--Censorship.