Masterman J C  1891 <br/><br/>
The double-cross system in the war of 1939 to 1945, 
by J. C. Masterman. 
 - New Haven,  Yale University Press,  1972. 
 - xxi, 203 p.  22 cm. 
<br/><br/><label>ISBN: </label>0300014961 
<br/><br/><label>Subjects--Topical Terms: </label><br/>World War 19391945--Secret service--Great Britain
<br/><br/><label>LC Class. No.: </label>D810.S7 
<br/><br/><label>Dewey Class. No.: </label>940.54/86/42