Michałowski, Roman. <br/><br/>
Princeps fundator :  studium z dziejów kultury politycznej w Polsce X-XIII wieku / 
Roman Michałowski. 
 - Warszawa :  Arx Regia, Ośrodek Wydawniczy Zamku Królewskiego w Warszawie,  1993. 
 - 245 p., [32] p. of plates :  ill. ;  24 cm. 
<br/><br/> Summary in French. 
<br/><br/>Includes bibliographical references (p. 226-237). 
<br/><br/><label>ISBN: </label>837022024X 
<br/><br/><label>LCCN: </label>91165211  
<br/><br/><label>Subjects--Corporate Names: </label><br/>Catholic Church--Benefices--Poland.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Poland--Politics and government--To 1572.<br/>Poland--Kings and rulers.
<br/><br/><label>LC Class. No.: </label>DK4212.5  / .M53 1993