Pitrof, Tyler. “Brian E. Walter, The Longest Campaign: Britain’s Maritime Struggle in the Atlantic and Northwest Europe, 1939–1945 (Tyler A. Pitrof)”. The Northern Mariner / Le marin du nord 30, no. 3 (June 4, 2021): 338–340. Accessed April 19, 2025. https://tnm.journals.yorku.ca/index.php/default/article/view/80.