Colitt, Leslie <br/><br/>
Spymaster :  The real - life Karla, his moles, and the East German secret police / 
Leslie Colitt 
 - Massachusetts :  Addison - Wesley Publishing Company,  1995       
 - 302 p. / 23 cm 
<br/><br/><label>LC Class. No.: </label>JK 468 C696r 1995