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* {{cite web|title=The Noble Republic, 1572–1795|url=http://info-poland.buffalo.edu/classroom/longhist3.html|work=Poland – The Historical Setting|publisher=Pusat Informasi Akademik Polandia, [[Universitas di Buffalo]]|language=en|archive-url=https://web.archive.org/web/20110604230420/http://info-poland.buffalo.edu/classroom/longhist3.html|archive-date=2011-06-04|access-date=2008-01-02}}
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* {{cite news|date=16 November 1905|title=Norway's elective monarchy|url=https://query.nytimes.com/gst/abstract.html?res=9802EFDD143DE733A25755C1A9679D946497D6CF#|work=|language=en|publisher=The New York Times|access-date=2008-01-03}}
