North Atlantic Ocean, Newfoundland and the Maritime Provinces to the British Isles Including Greenland and Iceland, Irving R. Chambers

North Atlantic Ocean, Newfoundland and the Maritime Provinces to the British Isles Including Greenland and Iceland, Irving R. Chambers, RG15_13_18_01. Naval War College Archives. https://www.usnwcarchives.org/repositories/2/digital_objects/26 Accessed April 25, 2024.