 | by Hadley, Michael 1990, University of Toronto Press ISBN 0773508015 357 pages, 39 b&w photos, and 1 map Covers the operations of U-boats in Canadian waters.

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Translations of this title include:
 | by Hadley, Michael L. (U-boats against Canada) 1997, Ullstein TB-Vlg ISBN 3548240623 Paperback, 568 pages, 50 b&w photos Covers the operations of U-boats in Canadian waters. | |
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