Spiritual disciplines  papers from the Eranos year books by Rudolf Bernoulli ...[et.al.] 
edited by Joseph Campbell. 
 - London  Routledge and Kegan Paul  1960 
 - xxi, 506p.; 22cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spirituality.
<br/><br/><label>Dewey Class. No.: </label>233  / S65S