Sidney Shapiro, Jews in old China: studies by Chinese scholars, Hippocrene Books, , 204p. (ISBN0-88254-996-0, lire en ligne), p.60
(en) Rukang Tian et Ju-k'ang T'ien, Male anxiety and female chastity: a comparative study of Chinese ethical values in Ming-Chʻing times, Leiden, Netherlands/New York/København, BRILL, , 172p. (ISBN90-04-08361-8, lire en ligne), p.84