Columbia subject headings:
Theater--China--History.
Theater--Europe--History.
Theater--India--History.
Theater--Japan--History.
Harvard subject headings:
Theater--China--History
Theater--Europe--History
Theater--History--20th century.
Theater--India--History.
Theater--Japan--History.
Princeton subject headings:
Theater--China--History.
Theater--Europe--History.
Theater--India--History.
Theater--Japan--History.