First, Third, Fifth, Sixth and Seventh: Bunker, Emma C.; Kawami, Trudy S.; with Linduff, Katheryn M.; Ancient Bronzes of the Eastern Eurasian Steppes from the Arthur M. Sackler Collections. The Arthur M. Sackler Foundation, New York, 1997; cat. no. 46, 25, 65, 69, 45.
First: Carter, Dagny; China Magnificent. Five Thousand Years Of Chinese Art. New York, 1935; p.33.
Fourth: OMPB III, p. 3.
Seventh: Carter, Dagny, The Symbol of the Beast, New York, 1957, p. 96, plate 20, figure D.