Columbia subject headings:
Harvard subject headings:
Cohn-Vossen, Elfriede.
Kurella, Alfred, 1895-1975
World War, 1939-1945--Personal narratives, German.
World War, 1939-1945--Soviet Union--Personal narratives, German.
Princeton subject headings:
Cohn-Vossen, Elfriede--Correspondence.
Communists--Germany--Correspondence.
Kurella, Alfred, 1895-1975--Correspondence.
World War, 1939-1945--Personal narratives, German.
World War, 1939-1945--Soviet Union.