Columbia subject headings:
Freemasonry--Soviet Union--History--20th century.
Russia--History--Revolution, 1905-1907.
Soviet Union--History--Revolution, 1917-1921.
Harvard subject headings:
Freemasonry--Soviet Union--History--20th century.
Freemasons--Soviet Union--History--20th century.
Russia--History--Nicholas II, 1894-1917.
Russians--Foreign countries--History--20th century
Soviet Union--History--Revolution, 1917-1921.
Princeton subject headings: