Kieckhefer, Richard.
Repression of heresy in medieval Germany /
Richard Kieckhefer 
. - Philadelphia : University of Pennsylvania Press,  1979 
. - xiv, 161 p.  23 cm. 
 - (The Middle ages )
<br/>К.: Бібліогр. : c. 151-156, Index 
<br/><label>  ISBN: </label>0-8122-7758-9