James Carlson: Sticking around. Abgerufen am 25. April 2022 (amerikanisches Englisch).
doi.org
The Opening of the Cape Cod Canal. In: Bulletin of the American Geographical Society. Band46, Nr.11, 1914, ISSN0190-5929, S.832–834, doi:10.2307/200951, JSTOR:200951.
google.de
books.google.de
Hearst Magazines: Popular Mechanics. Hearst Magazines, April 1936 (google.de [abgerufen am 25. April 2022]).
jstor.org
The Opening of the Cape Cod Canal. In: Bulletin of the American Geographical Society. Band46, Nr.11, 1914, ISSN0190-5929, S.832–834, doi:10.2307/200951, JSTOR:200951.
The Opening of the Cape Cod Canal. In: Bulletin of the American Geographical Society. Band46, Nr.11, 1914, ISSN0190-5929, S.832–834, doi:10.2307/200951, JSTOR:200951.