The knights of England. A complete record from the earliest time to the present day of the knights of all the orders of chivalry in England, Scotland, and Ireland, and of knights bachelors. London: Printed and published for the Central chancery of the orders of knighthood, Sherratt and Hughes, 1906. Teoksen verkkoversio (viitattu 7.3.2023). (englanniksi)
House of WindsorEncyclopaedia Britannica. Viitattu 21.6.2020. (englanniksi)
buffalo.edu
sciencecases.lib.buffalo.edu
Tiuntseva, Yelena Aronova & Herreid, Clyde Freeman: Hemophilia: ”The Royal Disease” (PDF) University at Buffalo, State University of New York. (englanniksi)
Whitaker, Joseph: An Almanack for the Year of Our Lord ... J. Whitaker, 1848. Google Books (viitattu 7.3.2023). (englanniksi)
hathitrust.org
catalog.hathitrust.org
Real orden de damas nobles de la Reina Maria Luisa. Calendario manual y guía de forasteros en Madrid., 1817, s. 86. Artikkelin verkkoversio. (espanjaksi)