TY  - BOOK
AU  - Grant,Robert M.
TI  - U-boat intelligence, 1914-1918
SN  - 037000034X
U1  - 940.451 
PY  - 1969///
CY  - London
PB  - Putnam
KW  - Submarine warfare
KW  - World War, 1914-1918
KW  - Naval operations
KW  - Submarine
KW  - Military intelligence
N1  - Bibliography: p. 191-192
ER  -