Butt, Ronald. <br/><br/>
A history of parliament :  the Middle Ages / 
by Ronald Butt. 
 - London :  Constable,  1988. 
 - xxiii, 662p. 
<br/><br/><label>ISBN: </label>0094562202 
<br/><br/><label>Subjects--Corporate Names: </label><br/>England. Parliament --History--Medieval period, 1066-1485.