Columbia subject headings:
Gropius, Walter, 1883-1969.
Piscator, Erwin, 1893-1966.
Theater--Germany--History--20th century.
Theater--Political aspects--Germany.
Harvard subject headings:
Gropius, Walter, 1883-1969
Piscator, Erwin, 1893-1966.
Theater--Germany--History--20th century.
Princeton subject headings:
Gropius, Walter, 1883-1969.
Piscator, Erwin, 1893-1966.
Theater--Germany--History--20th century.
Theater--Political aspects--Germany.