|History of Chinese society : Liao, 907-1125|
|History of Chinese society : Liao (907-1125) / Karl A. Wittfogel and Fêng Chia-shêng, with the assistance of John DeFrancis ... [et al.].|
"Issued as Transactions of the American Philosophical Society, volume 36 (1946)."
"Published with the cooperation of the American Institute of Pacific Relations."
"The main source is the Liaoshi 遼 史 "--p. iii.
Bibliography: p. 675-695.