ALDRICH Richard J. <br/><br/>
Black door:  spies, secret intelligence and British prime ministers / 
Richard J. Aldrich and Rory Cormac. 
 - London:  William Collins ,  2016. 
 - xii, 606 pg.: ill.; 23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780007555468 (pbk.) :  GBP16.99 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>POLITICAL SCIENCE