This zhadou is similar to other Zhengde mark and period examples, a number of which have been published: in Sekai toji zenshu, vol. 14, Ming Dynasty, Tokyo, 1976, pl. 172; by Liu Liang-yu, A Survey of Chinese Ceramics - 4 - Ming Official Wares, Taiwan, 1991, p. 178; by J. Ayers, Chinese Ceramics in the Baur Collection, vol. I, Geneva, 1999, p. 123, no. 70 (A150); by J. Harrison-Hall, Ming Ceramics in the British Museum, London, 2001, p. 208, no. 8:32; and one in the Percival David Foundation, by M. Medley, Illustrated Catalogue of Ming Polychrome Wares, London, 1978, pl. IV, no. 33.