Columbia subject headings:
Harvard subject headings:
Bismarck, Otto, Fürst von, 1815-1898--Health.
Medicine, Psychosomatic--Diagnosis
Statesmen--Germany--Biography.
Princeton subject headings:
Bismarck, Otto, Fürst von, 1815-1898--Mental health.
Bismarck, Otto, Fürst von, 1815-1898--Psychology.