Bradford, Ernle Dusgate Selby <br/><br/>
Gibraltar :  the history of a fortress / 
by Ernle Bradford 
 - Hart-Davis ,  London :  1971 
 - 212 p., 8 plates;  illus, maps, port. ;  23 cm. 
<br/><br/><label>ISBN: </label>0246640391 
<br/><br/><label>LCCN: </label>76-597538 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Gibraltar--History