Powers, Thomas  1940- <br/><br/>
The man who kept the secrets :  Richard Helms & the CIA / 
by Thomas Powers. 
 - New York :  Albert A. Knopf,  1979. 
 - xv, 393 p. ;  25 cm. 
<br/><br/> With hard- and supercover 
<br/><br/><label>ISBN: </label>0394507770 
<br/><br/><label>Subjects--Personal Names: </label><br/>Helms, Richard 1913 – 2002 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Central Intelligence Agency