Columbia subject headings:
Harvard subject headings:
China--History--Xi'an Incident, 1936
Zhang, Xueliang, 1898-
Zhongguo gong chan dang--History.
Princeton subject headings:
China--History--Xi'an Incident, 1936.
Zhang, Xueliang, 1901-2001.
Zhongguo gong chan dang--History.