Powicke Michael <br/><br/>
Military obligation in medieval england ; a study in liberty and duty 

 -  1962 
<br/><br/><label>Standard No.: </label>106,197 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HISTORY
<br/><br/><label>Dewey Class. No.: </label>V3:4:I, K2