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: Sirs El Laiyana. British War Office. https://isac-idb.uchicago.edu/id/8cf2f02a-60d2-49c9-8752-a396664da991 (map)