Columbia subject headings:
Germany--Politics and government--1871-1918.
Harden, Maximilian, 1861-1927.
Holstein, Friedrich von, 1837-1909.
Harvard subject headings:
Germany--Politics and government--1871-1918.
Harden, Maximilian, 1861-1927
Holstein, Friedrich von, 1837-1909.
Princeton subject headings:
Germany--Politics and government--1871-1918.
Harden, Maximilian, 1861-1927.
Holstein, Friedrich von, 1837-1909.