Dorril, Stephen. <br/><br/>
MI6 :  fifty years of special operations / 
Stephen Dorril. 
 - London :  Fourth Estate,  2000. 
 - xv, 907p. 
<br/><br/><label>ISBN: </label>1857020936 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Great Britain. MI6. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Espionage, British--History--20th century.<br/>Intelligence service--History--Great Britain--20th century.