Columbia subject headings:
China--History--Republic, 1912-1949.
China--Politics and government--1912-1949.
Xi'an Shi (China)
Harvard subject headings:
China--History--Republic, 1912-1949.
China--Politics and government--1912-1949.
Xi'an (Shaanxi Sheng, China)
Princeton subject headings:
China--History--Republic, 1912-1949.
China--Politics and government--1912-1949.
Xi'an Shi (China)