變更

*[https://www.usni.org/magazines/naval-history-magazine/2020/april/sam-morisons-long-campaign U.S. Naval Institute -Sam Morison’s Long Campaign]

*[https://www.history.navy.mil/content/history/nhhc/research/library/research-guides/modern-biographical-files-ndl/modern-bios-m/Morison-Samuel-Text.html official U.S. Navy website -Samuel Eliot Morison 9 July 1887 - 15 May 1976]