Cookridge, E. H. <br/><br/>
Gehlen :  spy of the century / 
E. H. Cookridge. 
 - New York :  Random House ,  1972. 
 - 402 p. :  il. ;  24 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Europe -- History -- 20th century. Gehlen, Reinhard (1902- ).