Other
Canonesea, Convoy Hx72 and U 100
A detailed account of the attack on a merchant convoy traveling from Canada to England. At the time of the attack (Sept. 1940), it represented the largest U Boat "Wolf Pack" attack on a British convoy.
Mariners' Museum and Park
Mariners' Museum: Battle of the Atlantic: A Virtual Exhibit
An online exhibit detailing Word War II's Battle of the Atlantic.