Crozier, Brian,  1918-2012. <br/><br/>
Free agent :  the unseen war, 1941-1991 / 
Brian Crozier. 
 - London :   HarperCollins,   1993. 
 - xiv, 314p. ;  25cm 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780002551922 
<br/><br/><label>Subjects--Personal Names: </label><br/>Crozier, Brian, 1918-2012. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intelligence service--History--20th century.<br/>Intelligence officers--Biography.<br/>Cold War.
<br/><br/><label>Dewey Class. No.: </label>327.12/092