Wulf, Maurice de.
Philosophy and civilization in the Middle Ages /
Maurice de Wulf ; Louis Clark Vanuxem Foundation 
. - New York : Greenwood Press, Publishers,  1969 
. - x, 312 p.  22 cm. 
<br/>К.: Бібліогр. : c. 300-307, Index 
<br/><label>  ISBN: </label>8371-2521-9