威廉三世（奥兰治）：修订间差异

* {{en icon}}[http://www.bbc.co.uk/northernireland/learning/william/ BBC"比利王"]{{Wayback|url=http://www.bbc.co.uk/northernireland/learning/william/ |date=20041208180545 }}

* {{en icon}}[http://www.friesian.com/ross/orange.htm 奥兰治家族]{{Wayback|url=http://www.friesian.com/ross/orange.htm |date=20200227074021 }}

* {{nl icon}}[http://www.paleishetloo.nl/ 罗宫]{{Wayback|url=http://www.paleishetloo.nl/ |date=20200329073914 }}

* {{nl icon}} N. Japikse, ed., [http://www.inghist.nl/Onderzoek/Projecten/WillemIII Correspondentie van Willem III en van Hans Willem Bentinck, eersten graaf van Portland]{{Wayback|url=http://www.inghist.nl/Onderzoek/Projecten/WillemIII |date=20100516012557 }}