Columbia subject headings:
Motion picture actors and actresses--Germany--Biography.
Motion picture producers and directors--Germany--Biography.
Piel, Harry, 1892-1963.
Harvard subject headings:
Motion picture actors and actresses--Germany--Biography.
Motion picture producers and directors--Germany--Biography
Piel, Harry, 1892-1963.
Princeton subject headings:
Motion picture actors and actresses--Germany--Biography.
Motion picture producers and directors--Germany--Biography.
Piel, Harry, 1892-1963.