Foot, M. R. D.  1919- <br/><br/>
MI 9 :  the British secret service that fostered escape and evasion, 1939-1945 and its American counterpart / 
by M. R. D. Foot and J. M. Langley 
 - London :  Bodley Head,  c1979 
 - 365 p. :  ill., maps, ports. ;  22 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0370300866 :  PND 6.95 
<br/><br/><label>Subjects--Personal Names: </label><br/>Crockatt, N. R
<br/><br/><label>Subjects--Topical Terms: </label><br/>World War, 1939-1945--Secret service--Great Britain<br/>World War, 1939-1945--Prisoners and prisons, German<br/>Escapes
<br/><br/><label>Dewey Class. No.: </label>940.548642