Material culture and emperorship, 1998 t.p. (Xuanzong, r.1426-35)
Dict. Ming biog., 1976 p. 279 (Chu Chan-chi, b. 3/16/1399, d. 1/31/1435; 5th emperor of Ming dynasty, known by temple name, Hsüan-tsung, and reign title, Hsüan-te)
Chung-kuo nien li tsung p‘u, 1960: v. 2, p. 179 (Ming Hsüan-tsung, Chu Chan-chi, Hsüan-te)