TY  - BOOK
AU  - Roskill, Stephen Wentworth.
TI  - The war at sea, 1939-1945
U1  - 940.54 
PY  - 1954///-
CY  - London
PB  - H. M. Stationery Off.
KW  - World War
KW  - 1939-1945
KW  - Naval operations, British
N1  - CONTENTS.- v.1. The defensive v.2. The period of balance. v.3. pts. I & II The offensive
ER  -