Blackstock Paul W <br/><br/>
Secret road to world war two    Soviet versus Western intelligence 1921-1939.      
Blackstock Paul W 
 - Chicago  Quadrangle Books        1969 
 - 384p.  cm. 
<br/><br/><label>Standard No.: </label>58362 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>V58,934'N3, K9