Thomas, Gordon,  1933- <br/><br/>
Inside British intelligence :  100 years of MI5 and MI6 / 
Gordon Thomas. 
 - London :  JR Books,  2009. 
 - xvii, 430p. 
<br/><br/><label>ISBN: </label>9781906779108 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Great Britain. MI5 --History.<br/>Great Britain. MI6 --History.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intelligence service--History--Great Britain--20th century.<br/>Intelligence service--History--Great Britain--21st century.