Collins, Roger 1949-.
Early medieval Europe, 300-1000 /
Roger Collins 
. - 2nd edition 
. - New York  : St. Martin's Press,  1999 
. - xxv, 533 p.  tab., schem.  22 cm. 
 - (History of Europe )
<br/>К.: Бібліогр. : с. 501-513, Index 
<br/><label>  ISBN: </label>0-312-21886-9