Christian society and the Crusades, 1198-1229 : sources in translation, including The Capture of Demietta by Oliver of Paderborn ; translated with notes by J.J. Gevigan /
edited and with an introduction by Edward Peters 
. - Philadelphia  : University of Pensylvania Press,  1971 
. - XXII, 170 p.  20 cm. 
 - ((Sources of Medieval History) )
<br/><label>  ISBN: </label>0-8122-1024-7