Κόμης του Στράθερν (Greek Wikipedia)

Clarence House (29 Απριλίου 2011). Titles announced for Prince William and Catherine Middleton. Δελτίο τύπου. «Αρχειοθετημένο αντίγραφο». Αρχειοθετήθηκε από το πρωτότυπο στις 3 Οκτωβρίου 2013. Ανακτήθηκε στις 30 Ιουλίου 2022. CS1 maint: Unfit url (link)
«Media pack for the birth of the first child of The Duke and Duchess of Cambridge» (PDF). Παλάτι του Κένσινγκτον. Ιουλίου 2013. Αρχειοθετήθηκε από το πρωτότυπο (PDF) στις 4 Αυγούστου 2013. Ανακτήθηκε στις 8 Αυγούστου 2013. On the occasion of his marriage, The Queen conferred a Dukedom on Prince William of Wales. The Duke received the titles of Duke of Cambridge, Earl of Strathearn and Baron Carrickfergus. As a result Miss Catherine Middleton became Her Royal Highness The Duchess of Cambridge, Countess of Strathearn and Lady Carrickfergus.

royalacademy.org.uk

https://www.royalacademy.org.uk/art-artists/name/henry-frederick-duke-of-cumberland-and-strathearn

telegraph.co.uk

Beckford, Martin (29 Απριλίου 2011). «Royal wedding: Prince William and Kate Middleton become Duke and Duchess of Cambridge». The Telegraph (London). https://www.telegraph.co.uk/news/uknews/royal-wedding/8482962/Royal-wedding-Prince-William-and-Kate-Middleton-become-Duke-and-Duchess-of-Cambridge.html. Ανακτήθηκε στις 1 Αυγούστου 2013. «Buckingham Palace said in a statement published at 8am on Friday: 'The Queen has today been pleased to confer a Dukedom on Prince William of Wales. 'His titles will be Duke of Cambridge, Earl of Strathearn and Baron Carrickfergus. 'Prince William thus becomes His Royal Highness The Duke of Cambridge and Miss Catherine Middleton on marriage will become Her Royal Highness The Duchess of Cambridge.'»

thecanadianencyclopedia.ca

https://www.thecanadianencyclopedia.ca/en/article/prince-arthur-1st-duke-of-connaught-and-strathearn

thegazette.co.uk

No. 59798. 1 Ιουνίου 2011, σελ. 10297. https://www.thegazette.co.uk/London/issue/59798/page/10297

twitter.com

«Earl and Countess of Strathearn». Official Twitter of the Duke and Duchess of Cambridge. Ανακτήθηκε στις 8 Μαΐου 2019.

wargs.com

http://wargs.com/essays/succession/strathearn.html

web.archive.org

Clarence House (29 Απριλίου 2011). Titles announced for Prince William and Catherine Middleton. Δελτίο τύπου. «Αρχειοθετημένο αντίγραφο». Αρχειοθετήθηκε από το πρωτότυπο στις 3 Οκτωβρίου 2013. Ανακτήθηκε στις 30 Ιουλίου 2022. CS1 maint: Unfit url (link)
«Media pack for the birth of the first child of The Duke and Duchess of Cambridge» (PDF). Παλάτι του Κένσινγκτον. Ιουλίου 2013. Αρχειοθετήθηκε από το πρωτότυπο (PDF) στις 4 Αυγούστου 2013. Ανακτήθηκε στις 8 Αυγούστου 2013. On the occasion of his marriage, The Queen conferred a Dukedom on Prince William of Wales. The Duke received the titles of Duke of Cambridge, Earl of Strathearn and Baron Carrickfergus. As a result Miss Catherine Middleton became Her Royal Highness The Duchess of Cambridge, Countess of Strathearn and Lady Carrickfergus.
Rayner, Gordon (2 Αυγούστου 2013). «Duchess Kate: Princess of the United Kingdom (but you can call me mummy)». The Daily Telegraph. Αρχειοθετήθηκε από το πρωτότυπο στις 20 Αυγούστου 2013. https://web.archive.org/web/20130820021850/http://www.ottawacitizen.com/life/royals/Princess+United+Kingdom+call+mummy/8743781/story.html. «Although she has never used the name, the Duchess is entitled to refer to herself as Princess William of Wales, as well as being Countess of Strathearn and Lady Carrickfergus.»