Columbia subject headings:
Russian Far East (Russia)--History--1917-1921.
Soviet Union--History--Revolution, 1917-1921--Campaigns.
Harvard subject headings:
Russian Far East (Russia)--History--Revolution, 1917-1921.
Soviet Union--History--Revolution, 1917-1921--Campaigns.
Princeton subject headings:
Russian Far East (Russia)--History--Revolution, 1917-1921.
Soviet Union--History--Revolution, 1917-1921--Campaigns.