Joanna of Castile (English Wikipedia)

Bergenroth, G A, Introduction. Letters, Despatches, and State Papers to the Negotiations between England and Spain. Suppl. to vols 1 and 2. London: Longmans, Green, Reader and Dyerm 1868. https://archive.org/details/bub_gb_9q8MAQAAIAAJ
Colmeiro, Manuel (1883). Cortes de los antiguos reinos de León y de Castilla. Madrid: Rivadeneyra.

books.google.com

Parker, Geoffrey (25 June 2019). Emperor: A New Life of Charles V. Yale University Press. p. 53. ISBN 978-0-300-19652-8. Retrieved 24 November 2021.
Fleming, Gillian B. (3 April 2018). Juana I: Legitimacy and Conflict in Sixteenth-Century Castile. Springer. p. 90. ISBN 978-3-319-74347-9. Retrieved 24 November 2021.
Carroll, Leslie (5 January 2010). Notorious Royal Marriages: A Juicy Journey Through Nine Centuries of Dynasty, Destiny, and Desire. Penguin. p. 61. ISBN 978-1-101-15977-4. Retrieved 24 November 2021.
Kagarlitsky, Boris (27 June 2014). From Empires to Imperialism: The State and the Rise of Bourgeois Civilisation. Routledge. p. 137. ISBN 978-1-317-66870-1. Retrieved 26 July 2023.
Curtis, Benjamin (12 September 2013). The Habsburgs: The History of a Dynasty. A&C Black. p. 99. ISBN 978-1-4411-5002-8. Retrieved 26 July 2023.
Waldherr, Kris (2008). Doomed Queens: Royal Women Who Met Bad Ends, From Cleopatra to Princess Di. Crown Publishing Group. p. 113. ISBN 978-0-7679-3103-8.
María A. Gómez; Santiago Juan-Navarro; Phyllis Zatlin (2008), Juana of Castile: History and Myth of the Mad Queen (illustrated ed.), Associated University Presse, pp. 9, 12–13, 85, ISBN 9780838757048
Felipe I el Hermoso: La belleza y la locura. Madrid: Fundación Carlos de Amberes. 2006. ISBN 84-934643-3-3. Retrieved 19 March 2013.
Gerli, E. Michael; Armistead, Samuel G. (2003). Medieval Iberia. Taylor & Francis. p. 182. ISBN 9780415939188. Retrieved 17 May 2018.

Medievalists.net (8 December 2015). "The Tragic Story of Joanna the Mad". Medievalists.net. Retrieved 27 December 2020.

Campbell, Gordon (2003). "Philip I, the Handsome". The Oxford Dictionary of the Renaissance. Oxford University Press. ISBN 978-0-19-860175-3.

"Palacio Real". Turismo de Tordesillas (in Spanish). Oficina de Turismo de Tordesillas. Archived from the original on 17 January 2020. Retrieved 30 October 2018.

Ortega Gato, Esteban (1999). "Los Enríquez, Almirantes de Castilla" [The Enríquezes, Admirals of Castille] (PDF). Publicaciones de la Institución "Tello Téllez de Meneses" (in Spanish). 70: 42. ISSN 0210-7317.

"Palacio Real". Turismo de Tordesillas (in Spanish). Oficina de Turismo de Tordesillas. Archived from the original on 17 January 2020. Retrieved 30 October 2018.

Chisholm, Hugh, ed. (1911). "Ferdinand V. of Castile and Leon and II. of Aragon" . Encyclopædia Britannica. Vol. 10 (11th ed.). Cambridge University Press. pp. 266–267.
Lee, Sidney, ed. (1896). "Philippa of Lancaster" . Dictionary of National Biography. Vol. 45. London: Smith, Elder & Co. p. 167.
Chisholm, Hugh, ed. (1911). "John II of Aragon" . Encyclopædia Britannica. Vol. 15 (11th ed.). Cambridge University Press. p. 440.

Liss, Peggy K. (1992). Isabel the Queen: Life and Times. New York: Oxford University Press. p. 354. ISBN 0-19-507356-8. OCLC 25048514.