Columbia subject headings:
Harvard subject headings:
Langhoff, Thomas--Interviews.
Theater--Germany--History--20th century.
Theatrical producers and directors--Germany--Biography
Theatrical producers and directors--Germany--Interviews.
Princeton subject headings:
Hielscher, Hans--Interviews.
Interviews.
Langhoff, Thomas--Interviews.
Langhoff, Wolfgang, 1901-1966--Correspondence.
Motion picture producers and directors--Germany--Biography.
Theatrical producers and directors--20th century--Germany--Biography.