== Eksterne links ==
* [http://www.military.com/NewsContent/0,13319,77031,00.html {{en sprog}} American targets]
* http://www.portorfordlifeboatstation.org/article1.html {{Webarchive|url=https://web.archive.org/web/20050828045545/http://www.portorfordlifeboatstation.org/article1.html |date=28. august 2005 }}
* http://www.history.navy.mil/faqs/faq114-2.htm {{Webarchive|url=https://web.archive.org/web/20051205030559/http://www.history.navy.mil/faqs/faq114-2.htm |date= 5. december 2005 }}
* [http://www.regiamarina.net/detail_text_with_list.asp?nid=99&lid=1&cid=4 {{en sprog}} Planned Italian attack on New York harbour.]
* [http://www.sfmuseum.org/war/42.html {{en sprog}} The Bay Area at War]
* http://www.history.army.mil/books/wwii/guard-us/index.htm#contents {{Webarchive|url=https://web.archive.org/web/20071225041653/http://www.history.army.mil/books/wwii/Guard-US/index.htm#contents |date=25. december 2007 }}
* [http://www.german-navy.de/kriegsmarine/articles/feature2.html {{en sprog}} Details of German secret agents landed in North America]
* [http://www.alaskainvasion.com/ {{en sprog}} Red White Black & Blue – feature documentary about The Battle of Attu in the Aleutians during World War II] {{Webarchive|url=https://web.archive.org/web/20170911193528/http://alaskainvasion.com/ |date=11. september 2017 }}
* http://www.history.army.mil/brochures/DOA/DOA.htm {{Webarchive|url=https://web.archive.org/web/20120926175713/http://www.history.army.mil/brochures/DOA/DOA.htm |date=26. september 2012 }} en publikation fra [[United States Army Center of Military History]]
* [http://uboat.net/articles/index.html?article=29 {{en sprog}} The Battle of the St. Lawrence]
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Historie