Columbia subject headings:
Harvard subject headings:
Russia--History, Naval--20th century.
Russia. Voennyĭ flot--History--20th century.
Princeton subject headings:
Russia--History, Naval--20th century.
Russia. Voennyĭ flot--History--20th century--Pictorial works.
Russia. Voennyĭ flot--History--20th century.