Gravett, Christopher. <br/><br/>
Medieval siege warfare / 
by Christopher Gravett. 
 - Oxford :  Osprey,  2003. 
 - 64 p. :  ill ;  25 cm. 
 - Elite  28 .
 - Elite  28 .
<br/><br/><label>ISBN: </label>0850459478 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Siege warfare history.<br/>Sieges--History--17th-18th century.