"SENCER". TDV İslam Ansiklopedisi (in Turkish). Retrieved 2021-08-30.
worldcat.org
Franzius, Enno (1969) History of the Order of Assassins Funk and Wagnalls, New York, p. 59, OCLC23676
Lewis, Bernard (1968) The Assassins: A Radical Sect in Islam Basic Books, New York, p. 30, OCLC436364
Ibn al-Athir as cited by Zarncke, Friedrich (1879) Der Priester Johannes S. Heizel, Leipzig, p. 856-857OCLC7619779
Liao Shih (the official history of the Khitan Dynasty) cited by Wittfogel, Karl A. and Feng Chia-Sheng (1949) History of Chinese Society: Liao, 907-1125 American Philosophical Society, Philadelphia, p. 639 OCLC9811810