Bowering, Gerhard,  1939. <br/><br/>
The mystical vision of existence in classical Islam :  the Quranic hermeneutics of the Sufi Sahl At-Tustari (d. 283/896) / 
Gerhard B. Owering. 
 - Berlin :  De Gruyter,  1980. 
 - ix, 286 p. ;  25 cm. 
 - Studien zur Sprache, Geschichte und Kultur des islamischen Orients  n.F.Bd.9 .
<br/><br/> Includes indexes. 
<br/><br/>Bibliography : p.  267 -271. 
<br/><br/><label>ISBN: </label>3110075466 
<br/><br/><label>Subjects--Personal Names: </label><br/>Tustari, Sahl ibn'Abd Allah, 818 or 19-896? al-Tustari, Sahl ibn'Abd Allah, 818 or 19-896?
<br/><br/><label>Subjects--Topical Terms: </label><br/>Creation (Islam).<br/>Sufism--Doctrines.<br/>Qur'an--Criticism, interpretation, etc.--Biography.