TY  - BOOK
AU  - Aston,George Grey
TI  - Secret service,
U1  - 355.4332 
PY  - 1930///
CY  - New York
PB  - Cosmopolitan book corporation
KW  - Secret service
KW  - Great Britain
KW  - MCE
KW  - World War, 1914-1918
KW  - Military intelligence
ER  -