Columbia subject headings:
Harvard subject headings:
Japan--Foreign relations--1912-1945--Sources.
Japan--Military policy--History--20th century--Sources.
Japan--Politics and government--1912-1945--Sources.
Mukden Incident, China, 1931--Sources.
Sino-Japanese War, 1937-1945--Sources
World War, 1939-1945--Japan--Sources.
Princeton subject headings:
Japan--History, Military--1868-1945.
Sino-Japanese War, 1937-1945.
World War, 1939-1945--Causes.
World War, 1939-1945--Pacific Area.