Columbia subject headings:
Harvard subject headings:
Francis I, Holy Roman Emperor, 1708-1765.
Holy Roman Empire--History--1648-1804.
Holy Roman Empire--Kings and rulers.
Joseph II, Holy Roman Emperor, 1741-1790.
Maria Theresa, Empress of Austria, 1717-1780.
Princeton subject headings:
Austria--History--Maria Theresa, 1740-1780.
Francis I, Holy Roman Emperor, 1708-1765.
Joseph II, Holy Roman Emperor, 1741-1790.
Maria Theresa, Empress of Austria, 1717-1780.