Columbia subject headings:
Harvard subject headings:
Russia. Voennyĭ flot--History--20th century.
Russia. Voennyĭ flot--History.
Soviet Union--History--Revolution, 1917-1921--Naval operations.
Soviet Union--History--Revolution, 1917-1921--Protest movements.
Soviet Union. Voenno-Morskoĭ Flot--History.
Princeton subject headings:
Russia. Voennyĭ flot--History.
Soviet Union--History--Revolution, 1917-1921--Protest movements.