MacIvor, Iain. <br/><br/>
The fortifications of Berwick-upon-Tweed / 
by Iain MacIvor. 
 - 2nd ed. 
 - London :  H.M.S.O.,  1972. 
 - 40p,fold leaf. 
 - Ancient monuments and historic buildings .
 - Ancient monuments and historic buildings .
<br/><br/> Previous ed. 1967. 
<br/><br/><label>ISBN: </label>0116704284 (sd) 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Berwick-upon-Tweed (England)--Fortifications.