Columbia subject headings:
Nicholas II, Emperor of Russia, 1868-1918--Assassination.
Nicholas II, Emperor of Russia, 1868-1918--Family--Assassination.
Romanov, House of.
Harvard subject headings:
Nicholas II, Emperor of Russia, 1868-1918--Assassination.
Romanov, House of.
Princeton subject headings:
Nicholas II, Emperor of Russia, 1868-1918.
Romanov, House of