Columbia subject headings:
Communists--Germany--Biography.
Luxemburg, Rosa, 1871-1919--Drama.
Luxemburg, Rosa, 1871-1919.
Rosa Luxemburg (Motion picture)
Harvard subject headings:
Communists--Germany--Biography
Luxemburg, Rosa, 1871-1919
Luxemburg, Rosa, 1871-1919--Drama.
Rosa Luxemburg (Motion picture)
Princeton subject headings:
Luxemburg, Rosa, 1871-1919.