Terry F. Kleeman: Celestial Masters. History and Ritual in Early Daoist Communities. Cambridge, Mass.: Harvard University Asia Center 2016. xiii, 425 pp. (Harvard-Yenching Institute Monograph Series 102.) ISBN 978-0-674-73716-7. $ 49,95. book-review Barbara Hendrischke Zeitschrift der Deutschen Morgenländischen Gesellschaft, Volume 169 (2019), Issue 1, Page 251 - 256