Columbia subject headings:
Harvard subject headings:
Soviet Union--History, Naval--20th century.
Soviet Union. Voenno-Morskoĭ Flot--Submarine forces--Biography.
Submariners--Soviet Union--Biography.
World War, 1939-1945--Naval operations--Submarine.
Princeton subject headings:
Soviet Union--History, Naval--20th century.
Soviet Union. Voenno-Morskoĭ Flot--Submarine forces--Biography.
Submariners--Soviet Union--Biography.
World War, 1939-1945--Naval operations--Submarine.