Purton Peter Au. <br/><br/>
Medieval military engineer   from the roman empire to the sixteenth century 

 - New York  The Boybell Press USA     2018 
 - xiii,351p.  cm. 
<br/><br/><label>ISBN: </label>978 1 78327 278 5 (hbk)  UKP 60.00 
<br/><br/><label>Standard No.: </label>352,708 
<br/><br/><label>Source: </label> 4406, 12/02/2020, Govinda Book House  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EUROPE - HISTORY; MILITARY ART AND SCIENCE
<br/><br/><label>Dewey Class. No.: </label>MV41.5, Q8