The texts of Taoism - Laozi, f. ca 600 f.Kr.; Legge, James, 1815-1897; Zhuangzi, ca. 365 B.C.-ca. 290 B.C. (New York (N.Y.) : Dover, 1962)
2. The writings of Chuang Tzu (books XVIII-XXXIII). The T'ai Shang tractate of actions and their retributions. Appendices I-VIII