Suhr, Heiko, Friedrich II von Hohenstaufen: Seine politischen und kulturellen Verbindungen zum Islam. (Grin Verlag, 2008).
Tibble, Steve, The Crusader Armies. (Yale University Press, 2018).
Tyerman, Christopher, How to Plan a Crusade: Reason and Religious War in the Middle Ages. (Allen Lane, 2015).
Tyerman, Christopher, The World of the Crusades: An Illustrated History. (Yale University Press, 2019).
Ward, Jennifer C., English Noblewomen in the Later Middle Ages. (Longman, London, 1992).
Ye’or, Bat, The Decline of Eastern Christianity under Islam: From Jihad to Dhimmitude. (Fairleigh Dickinson University Press, 1996).
Van Cleve, Thomas Curtis, The Emperor Frederick II of Hohenstaufen: Immutator Mundi. (Oxford University Press, 1972).
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Crusader States 1100–1180.
Crusader States 1190–1240.
Jerusalem City Map – 12th C.
Acre City Map – 13th C.
House of Jerusalem 12th century.
House of Jerusalem 13th century.
House of Lusignan – to 1267.
House of Lusignan – post 1267.
Coronation of King Fulk and Queen Melisende.
Queen Melisende and King Fulk.
Marriage of Maria Comnena and King Amalric.
King Amalric and Queen Maria Comnena.
Marriage of Guy de Lusignan and Sibylla of Jerusalem.
King Richard and Queen Berengaria of England on Crusade.
Marriage of Queen Isabella and Conrad de Montferrat.
Coronation of John de Brienne and Marie de Montferrat.
