Columbia subject headings:
Communication in politics--China--History.
Government communication systems--China.
Harvard subject headings:
China--History--Qin dynasty, 221-207 B.C.--Sources.
China--History--Qing dynasty, 1644-1912--Sources.
China--History--Song dynasty, 960-1279--Sources.
China--History--Spring and Autumn period, 722-481 B.C.--Sources.
China--History--Warring States, 403-221 B.C.
China--History--Zhou dynasty, 1122-221 B.C.--Sources.
China--Politics and government--221 B.C.-220 A.D.
Communication in politics--China--History.
Government communication systems--China.
Princeton subject headings: