Columbia subject headings:
Harvard subject headings:
Performing arts--Germany--Frankfurt am Main--History--20th century.
Theater--Germany--Frankfurt am Main--History--20th century.
Vereinigte Stadttheater (Frankfurt am Main, Germany)--History.
World War, 1914-1918--Germany--Frankfurt am Main--Theater and the war.
Princeton subject headings:
Performing arts--Germany--Frankfurt am Main--History--20th century.
Theater--Germany--Frankfurt am Main--History--20th century.
World War, 1914-1918--Germany--Frankfurt am Main--Theater and the war.