Columbia subject headings:
China--Politics and government.
Gu, Yanwu, 1613-1682.
Political science--China--History.
Sun, Yat-sen, 1866-1925.
Harvard subject headings:
China--Politics and government.
Gu, Yanwu, 1613-1682
Political science--China--History
Sun, Yat-sen, 1866-1925
Princeton subject headings: