Streck 1987, p. 515. Streck, Maximilian (1987) [1927]. "Al-ʿAwāṣim". In Houtsma, Martijn Theodoor (ed.). E.J. Brill's First Encyclopaedia of Islam, 1913–1936, Volume I: A–Bābā Beg. Leiden: BRILL. pp. 515–516. ISBN90-04-08265-4.
Honigmann 1987, pp. 738–739. Honigmann, E. (1987) [1927]. "AL-Thughūr". In Houtsma, Martijn Theodoor (ed.). E.J. Brill's First Encyclopaedia of Islam, 1913–1936, Volume VIII: Ṭa'if–Zūrkhāna. Leiden: BRILL. pp. 738–739. ISBN90-04-08265-4.
Masalha 2018, p. 158-9: For several centuries Aylah, the present‑day Jordanian port city of al-'Aqabah on the Red Sea, was part of the Islamic administrative province of Jund Filastin Masalha, Nur (2018). Palestine: A Four Thousand Year History. Bloomsbury Academic. ISBN978-1-78699-274-1.
Masalha 2018, p. 169: It was expanded further by the Tulunids, ... The province of Filastin was enlarged ... eastwards and southwards, at the expense of Jund Dimashq, to include Bilad al‑Sharat, ... in modern‑day southern Jordan and north‑western Saudi Arabia (Salibi 1993: 18‒20; le Strange 1890: 28). Masalha, Nur (2018). Palestine: A Four Thousand Year History. Bloomsbury Academic. ISBN978-1-78699-274-1.
Athamina 1994. Athamina, Khalil (July 1994). "The Appointment and Dismissal of Khālid b. al-Walīd from the Supreme Command: A Study of the Political Strategy of the Early Muslim Caliphs in Syria". Arabica. 41 (2). Brill: 253–272. doi:10.1163/157005894X00191. JSTOR4057449.
jstor.org
Athamina 1994. Athamina, Khalil (July 1994). "The Appointment and Dismissal of Khālid b. al-Walīd from the Supreme Command: A Study of the Political Strategy of the Early Muslim Caliphs in Syria". Arabica. 41 (2). Brill: 253–272. doi:10.1163/157005894X00191. JSTOR4057449.