Columbia subject headings:
Harvard subject headings:
Germany--Politics and government--1918-1933
Harden, Maximilian, 1861-1927
Journalists--Germany--Correspondence.
Rathenau, Walther, 1867-1922.
Statesmen--Germany--Correspondence.
Princeton subject headings:
Rathenau, Walther, 1867-1922--Correspondence.