Columbia subject headings:
Harvard subject headings:
Beijing (China)--Politics and government.
China--History--1928-1937.
China--History--Xi'an Incident, 1936
Students--China--Beijing--Political activity.
Princeton subject headings:
Beijing (China)--Politics and government.
China--History--1928-1937.
China--History--Xi'an Incident, 1936.
Students--China--Peking--Political activity.