Harry S. Truman Enters Norfolk Yard for Overdue Repairs - USNI News. USNI News. 2016-09-01 [2017-02-26]. (原始内容存档于2019-05-01) (美国英语). U.S. Navy Recovers
ISBN 3-486-56092-1 Roskill, S.W. The War at Sea, 1939-1945: The defensive. Vol. 1 (HM Stationery Office, 1961), official history of Royal Navy, covers 1939-41 维基共享资源上的相关多媒体资源:挪威戰役