Columbia subject headings:
Moscow (Russia)--History--1917-1921.
Okunev, N. P. (Nikita P.)
Soviet Union--History--Revolution, 1917-1921.
Soviet Union--Intellectual life.
Harvard subject headings:
Moscow (Russia)--History--1917-1921.
Okunev, N. P. (Nikita P.)
Soviet Union--History--Revolution, 1917-1921--Personal narratives.
Princeton subject headings:
Moscow (Russia)--History--1917-1921.
Okunev, N. P. (Nikita P.)
Personal narratives.
Soviet Union--History--Revolution, 1917-1921--Personal narratives.