Felix, Christopher. <br/><br/>
The spy and his masters :  a short course in the secret war / 
Christopher Felix. 
 - London :  Secker & Warburg,  1963. 
 - 287 p. ;  22 cm. 
<br/><br/> American edition has title: A short course in the secret war. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Espionage.<br/>Spies.