Knightley, Phillip. <br/><br/>
The second oldest profession :  spies and spying in the twentieth century / 
Phillip Knightley. 
 - 1st American ed. 
 - New York :  Norton,  1987 
 - xi, 436 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 415-[423]) and index. 
<br/><br/><label>ISBN: </label>0393023869 
<br/><br/><label>LCCN: </label>86028548  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Espionage--History--20th century.<br/>Espionaje--Historia.
<br/><br/><label>LC Class. No.: </label>UB 270  / K71s 1987 
<br/><br/><label>Dewey Class. No.: </label>327.1/2/09