William Fitzherbert
- Also known as William of York. Biography.
- http://www.saintpatrickdc.org/ss/0608.htm#will

St. William FitzHerbert of York
- Short biography, edited from Richard John King's "Handbook to the Cathedrals of England: Northern Division."
- http://www.britannia.com/bios/abofy/wfitzherbert.html

St. William
- Biographical article in the Catholic Encyclopedia, on William Fitzherbert, also called William of Thwayt. Twelfth-century Archbishop of York.
- http://www.newadvent.org/cathen/15628c.htm