Snoch, Bogdan. <br/><br/>
Protoplasta książąt śląskich / 
Bogdan Snoch. 
 - Wyd. 1. 
 - Katowice :  Wydawn. "Śląsk",  1985. 
 - 150, [1] p., [14] p. of plates :  ill., ports. ;  21 cm. 
<br/><br/>Bibliography: p. 147-[151] 
<br/><br/><label>ISBN: </label>8321605303 :  160 zł 
<br/><br/><label>Subjects--Personal Names: </label><br/>Władysław II,  1105-1159. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Princes--Poland--Biography.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Poland--History--Boleslaus III, 1102-1138.