West, Nigel. <br/><br/>
MI5 :  British Security Service operations 1909-1945 / 
Nigel West. 
 - London :  Bodley Head,  1981. 
 - 365p,[16]p of plates. 
<br/><br/><label>ISBN: </label>0370303245 
<br/><br/><label>Subjects--Corporate Names: </label><br/>MI5--History.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intelligence service--History.--Great Britain