Columbia subject headings:
Harvard subject headings:
Manchuria (China)--History--1931-1945.
Sino-Japanese War, 1937-1945
Spies--China--Biography.
Spies--Italy--Biography.
Vespa, Amleto, 1888-
Princeton subject headings:
China--History--Republic, 1912-1949.
Spies--China--Biography.
Spies--Italy--Biography.
Vespa, Amleto, 1888-