İbrahim Pazan (2007). Padişah anneleri. Babıali Kültür Yayıncılığı. ISBN 978-9944-118-31-6.
Howard, Douglas Arthur (2001). The History of Turkey. Greenwood Publishing Group. p. 66. ISBN 0313307083. Retrieved 6 May 2017.
britannica.com
concise.britannica.com
Britannica, "Istanbul"Archivado el 18 de diciembre de 2007 en Wayback Machine.: "Until the Turkish Post Office officially changed the name in 1930, however, the city continued to bear the millenary name of Constantinople."
Britannica, "Istanbul"Archivado el 18 de diciembre de 2007 en Wayback Machine.: "Until the Turkish Post Office officially changed the name in 1930, however, the city continued to bear the millenary name of Constantinople."
