ISBN 0140297243 books & textbook
The Safeguard of the Sea (Naval History of the Sea V. 1, 660-1)
Penguin Books, Limited (UK) /2004T Paperback
isbn-10: 0140297243 / isbn-13: 9780140297249
Penguin Books, Limited (UK) /2004T Paperback
isbn-10: 0140297243 / isbn-13: 9780140297249