Petersen, Erling Ladewig,  1929- <br/><br/>
Y m Y m Ali and Muawiya in early Arabic tradition 
by Erling Ladewig Petersen 
 - Odense  Odense University Press  1964 
 - 203 p. ; 24 cm. 
<br/><br/> studies on the genesis and growth of Islamic historical writing until the end of the ninth century. Translated by P. Lampe Christensen 
<br/><br/>Thesis--Copenhagen. 
<br/><br/>p. 188-192. 
<br/><br/><label>ISBN: </label>8774921029 
<br/><br/><label>Subjects--Personal Names: </label><br/>Mu'awiyah ibn Abi Sufyan, Caliph,  d. 680 <br/>'Ali ibn Abi Talib, Caliph, 600 (ca.)--661
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Islamic Empire--Historiography