↑Johnson, Paul (1979). Civilizations of the Holy Land (dalam bahasa English). Weidenfeld and Nicolson. hlm.202. Of the enormous literature which the crusades inspired in Europe, only one poem of any importance was actually written in the Holy Land, or Outremer as the Latins called it: the so-called Chanson des Chetifs, produced at Antioch a little before 1149.Pemeliharaan CS1: Bahasa yang tidak diketahui (link)