Baha' al-Din Yusuf Ibn Shaddad (also rendered Beha al-Din and Beha Ed-Din), trans. C.W. Wilson (1897) Saladin Or What Befell Sultan Yusuf, Palestine Pilgrims' Text Society, London.[1], p. 376
Gillingham 1979, str. 8. Roger of Wendover (Flores historiarum, p. 234) ascribes Sandford's vision to the day before Palm Sunday, 3 April 1232. Gillingham, John (1979). Richard the Lionheart. New York: Times Books. ISBN978-0-8129-0802-2.
Suzanne Lewis, The Art of Matthew Paris in the Chronica Majora, California studies in the history of art, vol. 21, University of California Press, 1987, p. 181.
According to Baha ad-Din ibn Shaddad on the 7th, but the Itinerarium and Gesta mention the 8th as the date of his arrival (L. Landon, The itinerary of King Richard I, with studies on certain matters of interest connected with his reign, London, 1935, p. 50.).
Turner, Ralph; Heiser, Richard (2013). The Reign of Richard Lionheart : ruler of the Angevin empire, 1189-99. London: Routledge: Taylor and Francis. str. 57. ISBN9781317890423. OCLC881417488.