Gülen, Fethullah. <br/><br/>
Emerald hills of the heart.  key concepts in the practice of Sufism /  Vol. 4  [Book] : 
M. Fethullah Gülen ; translated by Ali Unal. 
 - New Jersey :  Tughra Books,  c2011. 
 - xiii, 287 p. ;  23 cm. 
<br/><br/> Vol. 1 originally published as a single volume manifestation withoug subtitle.  Vol. 3-4 published: Somerset, N.J. : Tughra Books. 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>9781597842280 (v. 4 : pbk.) 9781597842136 (v. 4 : hbk.) 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sufism--Doctrines.
<br/><br/><label>Dewey Class. No.: </label>297.4