Kosztolnyik, Z. J..
Hungary in the thirteenth century /
Z.J. Kosztolnyik 
. - Boulder : East European Monographs,  1996 
. - viii, 510 p.  23 cm. 
 - (East European monographs  ; no. 439 )
<br/>К.: Бібліогр. : c. 426-497, Index 
<br/><label>  ISBN: </label>0-8803-336-7 
<br/><br/><label>Subjects--Personal Names: </label><br/>Bľa IV  King of Hungary  1206-1270