Epistles of the Brethren of Purity :  On God and the world.  An Arabic critical edition and English translation of Epistles 49-51 / 
 Rasāʼil Ikhwān al-Ṣafāʼ wa-khullān al-wafāʼ (49 - 51):  al-risālah al-thāminah ilá al-risālah al-ʻāshirah min al-qism al-rābiʻ fī al-namūsīyah al-ilāhīyah  On God and the world 
edited and translated by Wilferd Madelung, Cyril V. Uy, Carmela Baffioni, Nuha Alshaar ; foreword by Nader El-Bizri. 
 - xxiii, 469 pages ;  24 cm 
 - Epistles of the Brethren of Purity .
 - Epistles of the Brethren of Purity. .
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/> This volume presents three of the Epistles of the Brethren of Purity, a monumental work of medieval Islamic learning. Epistle 49 explores the hierarchy of existence; Epistle 50 describes the proper attitudes towards body and soul; Epistle 51 considers the arrangement of the world on numerical principles. 
<br/><br/><br/>Text in English and Arabic. 
<br/><br/><label>ISBN: </label>9780198823339 0198823339 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Ikhwān al-Ṣafāʼ. 49-51.  Rasāʼil. 
<br/><br/><label>Subjects--Chronological Terms: </label><br/>To 1500 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ikhwan--al<br/> -- -- -- <br/> 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Iran.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>History.<br/>Sources.
<br/><br/><label>Dewey Class. No.: </label>189.52  / E64