Library

LEADER 00000nam  2200217 a 4500 
001    0432095101 
007    t  
008    040507s1977    enk     r     000   eng   
040    CURL 
050  4 D 810 C88 M7 
100 1  Montagu, Ewen,|d1901-1985. 
245 10 Beyond top secret U. 
260    Newton Abbot :|bReaders Union,|c1978. 
300    192p. 
600 14 Montagu, Ewen,|d1901-1985. 
650  0 World War, 1939-1945|xSecret service|zGreat Britain. 
650  0 World War, 1939-1945|xCryptography. 
650  0 World War, 1939-1945|xPersonal narratives, British.