1. Barber, Malcolm. The New Knighthood: A History of the Order of the Temple. Cambridge University Press, 1994.
2. Forey, Alan. The Military Orders from the Twelfth to the Early Fourteenth Centuries. Palgrave Macmillan, 1992.
3. Nicholson, Helen J. The Knights Hospitaller. Boydell Press, 2001.
4. Riley-Smith, Jonathan. The Knights of St John in Jerusalem and Cyprus, c. 1050-1310. Routledge, 2018.
5. Riley-Smith, Jonathan. The Crusades: A History. Yale University Press, 2005.
6. Tyerman, Christopher. God’s War: A New History of the Crusades. Harvard University Press, 2006.
These references provide in-depth insights into the history of the Crusades, the military orders, and the medieval period, offering valuable information on the patronage and support received by institutions such as the Hospitaller Order of St. Thomas of Acon.