Columbia subject headings:
Emperors--Germany--Diaries.
Frederick III, German Emperor, 1831-1888.
Germany--History--Frederick III, 1888.
Germany--Kings and rulers--Diaries.
Germany--Politics and government--1871-1918.
Harvard subject headings:
Frederick III, German Emperor, 1831-1888--Diaries.
Germany--History--1789-1900--Sources.
Germany--History--Frederick III, 1888.
Germany--Kings and rulers--Biography.
Princeton subject headings:
Diaries.
Frederick III, German Emperor, 1831-1888--Diaries.
Germany--History--1789-1900.
Germany--History--1848-1870.
Germany--History--1871-1918.