1. T. H. Barret, «Religious change under eastern Han and its successors: some current perspectives and problems» (ed.) M. Loewe, China’s Early Empires a Re-appraisal (2010) 430- 448. Cambridge, New York: Cambridge University Press.
2. S. R. Bokenkamp, Early Daoist Scriptures. Berkeley, Los Angeles, London, 1997.
3. S. R. Bokenkamp, «Traces of Early Celestial Master Physiological Practice in the Xiang’er Commentary», Taoist Resources 4.2 (Dic. 1993) 37-51.
4. R. F. Campany, Ge Hong’s Tradition of Divine Transcendents, Berkeley, Los Angeles, London, 2002.
5. M. Csikszentmihalyi, «Han Cosmology and Mantic Practices», (ed.) L. Kohn, HdO Daoism Handbook (2000) 53-73, Leiden, Boston, Köln.