Columbia subject headings:
Harvard subject headings:
Europe--Defenses.
Europe--Military relations--Soviet Union.
Sea-power--Soviet Union.
Soviet Union--Military relations--Europe.
Soviet Union. Voenno-Morskoĭ Flot.
Princeton subject headings:
Europe--Defenses.
Europe--Military relations--Soviet Union.
Sea-power--Soviet Union.
Soviet Union--Military relations--Europe.
Soviet Union. Voenno-Morskoĭ Flot