Title: Dva admirala
Subjects: Admirals, Biography, History, Naval History, Auxiliary sciences of history, Academicians. Scholars. Savants, Autobiography (memoirs)
Places: Russia, Soviet Union
People: Adrian Ivanovich Nepenin (1871-1917), Aleksandr Vasiliyevich Kolchak (1873-1920)
Time periods: Revolution, 1917-1921, 20th century