Paine, Lauran. <br/><br/>
The invisible world of espionage / 
Lauran Paine. 
 - London :  Hale,  1976. 
 - 173 p. ;  23 cm 
<br/><br/>Includes bibliographical references (p. [167]-168) and index. 
<br/><br/><label>ISBN: </label>070915674X 9780709156741 
<br/><br/><label>LCCN: </label>77357794  
<br/><br/><label>Nat. Bib. No.: </label>GB7634997  bnb 
<br/><br/><label>Subjects--Chronological Terms: </label><br/>1939-1945 
<br/><br/><label>Subjects--Topical Terms: </label><br/>World War, 1939-1945--Secret service.<br/>Guerre mondiale, 1939-1945--Service secret.
<br/><br/><label>LC Class. No.: </label>D810.S7  / P16