Ziad Waleed Au. <br/><br/>
Hidden caliphate: sufi saints beyond the oxus and indus 
Ziad Waleed Au. 
 - Cambridge, UK  Harvard University Press   2021 
 - 354p. 
<br/><br/><label>ISBN: </label>978-0-674-2733-0  
<br/><br/><label>Source: </label>TB 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spirtual Experience and Mysticism