Columbia subject headings:
Germany--History--1918-1933--Sources.
Germany--Politics and government--1918-1933--Sources.
Papen, Franz von, 1879-1969.
Harvard subject headings:
Germany--History--1918-1933--Sources.
Germany--Politics and government--1918-1933
Germany--Politics and government--1918-1933--Sources.
Papen, Franz von, 1879-1969.
Princeton subject headings: