Columbia subject headings:
Harvard subject headings:
Malta--History, Military--20th century.
World War, 1939-1945--Aerial operations
World War, 1939-1945--Malta.
World War, 1939-1945--Naval operations.
Princeton subject headings:
Malta--History, Military--20th century.
World War, 1939-1945--Aerial operations.
World War, 1939-1945--Malta.
World War, 1939-1945--Naval operations.