Columbia subject headings:
Harvard subject headings:
Germany--Politics and government--20th century
Japan--Foreign relations--Germany.
Japan--Foreign relations--Japan.
Japan--Politics and government--20th century.
Peace
War
Princeton subject headings:
Germany--Politics and government--20th century.
Japan--Foreign relations--Germany.
Japan--Foreign relations--Japan.
Japan--Politics and government--20th century.
Peace.
War.