Richard Barnhart, “Tung Ch’i-ch’ang’s Connoisseurship of Sung Painting and the Validity of His Historical Theories: A Preliminary Study,” in Proceedings of the Tung Ch’i-ch’ang International Symposium, eds. Wai-ching
Ho, Wai-kam Ho and Hin-cheung Lovell (Kansas City, MO: Nelson-Atkins Museum of Art, 1991), 11–14.