Columbia subject headings:
Harvard subject headings:
Actors--Germany--Correspondence.
Theater--Soviet Union--History.
Theatrical producers and directors--Germany--Correspondence.
Vallentin, Edith, 1903-1989--Correspondence.
Vallentin, Maxim, 1904-1987--Correspondence.
Princeton subject headings:
Actors--Germany--Biography.
Actors--Soviet Union--Biography.
Exiles' writings, German.
Theater--Soviet Union--History.
Vallentin, Maxim, 1904-1987.