Intelligence Division of British War Office (Ministry of Defence, Great Britain); Center for Ancient Middle Eastern Landscapes, Institute for the Study of Ancient Cultures, University of Chicago
British War Office (2016). Survey of Egypt: El Maragha. British War Office. https://isac-idb.uchicago.edu/id/52526644-bba8-4cd3-acf0-d56e71f7b1a4 (map)