Columbia subject headings:
K. R. (Konstantin Romanov), Grand Duke of Russia, 1858-1915--Diaries.
Romanov, House of--History--Sources.
Russia--History--Nicholas II, 1894-1917--Sources.
Harvard subject headings:
K. R. (Konstantin Romanov), Grand Duke of Russia, 1858-1915--Diaries.
Nobility--Russia--Biography
Nobility--Russia--Diaries.
Romanov, House of--History--20th century--Sources.
Russia--History--Nicholas II, 1894-1917--Sources.
Princeton subject headings:
K. R. (Konstantin Romanov), Grand Duke of Russia, 1858-1915--Diaries.
Romanov, House of--History--Sources.
Russia--History--Nicholas II, 1894-1917--Sources.