Coba jelasin Lihat pula dari Rabban Bar Sauma dong

Chabot, J. B.'s translation and edition of the Histoire du Patriarche Mar Jabalaha III. et du moine Rabban Cauma (from the Syriac) in Revue de l'Orient Latin, 1893, pp. 566–610; 1894, pp. 73–143, 235-300

Odericus Raynaldus, Annales Ecclesiastici (continuation of Baronius), AD 1288, f xxxv-xxxvi; 1289, lxi

Records of the Wardrobe and Household, 1286-89, ed. Byerly and Byerly (HMSO, 1986), nos. 543, 1082 (for the meeting with Edward I at St Sever).

Wadding, Luke, Annales Minorum, v.169, 196, 170-173

Zehiroglu, Ahmet M. (2014) ; "Bar Sauma's Black Sea Journey"