Principal Narrative and Legal Sources for the Crusades
The Crusades: An Introduction, by James M. Powell
Texts and Documents : A Letter to an Old Crusader
Five Letters concerning the Second Crusade (1147-1149)
The Endowment Deed of the Khnqh al-aliyya in Jerusalem founded by Saladin on 17 October 1189
The "Lost" Autobiographical Chapter of William of Tyre's Chronicle (Book XIX.12)
German Crusade Songs of the Late Twelfth and Early Thirteenth Centuries
The Crusade of Emperor Frederick II in Freidank's Bescheidenheit
The World's Reward, by Konrad von Würzburg.