History of Chinese society : Liao, 907-1125 / by Karl A. Wittfogel and Feng Chia-Sheng with the assistance of John De Francis ... [et al.]. Wittfogel, Karl A. (Karl August), 1896- Feng, Chia-sheng. jt. auth. American Philosophical Society. Tribes China Sinkiang Uighur Autonomous Region. 301.0951 WIH Includes bibliographical references and index. Philadelphia : American Philosophical Society, 1949. 1949. 1949 Text xv, 752 p. : eng China History Liao dynasty, 947-1125. Sinkiang Uighur Autonomous Region (China) History. China Sinkiang Uighur Autonomous Region.