Castor, Helen. <br/><br/>
The King, the crown, and the Duchy of Lancaster :  public authority and private power, 1399-1461 / 
Helen Castor. 
 - Oxford :  Oxford University Press,  2000. 
 - xiii, 343p. 
<br/><br/><label>ISBN: </label>0198206224 
<br/><br/><label>Subjects--Personal Names: </label><br/>Lancaster, House of
<br/><br/><label>Subjects--Corporate Names: </label><br/>Duchy of Lancaster.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Great Britain--Politics and government--1399-1485.