Columbia subject headings:
Harvard subject headings:
Russia (Federation)--History.
World War, 1939-1945--Aerial operations, British.
World War, 1939-1945--Campaigns--Russia (Federation)
Princeton subject headings:
Great Britain. Royal Air Force--History.
World War, 1939-1945--Aerial operations, British.
World War, 1939-1945--Campaigns--Russia (Federation)--Murmansk.