Fathy, Hassan. Memorandum Regarding The Determining Of A Planning Philosophy For The Cairo Of The Future. 20 July 1973. Hassan Fathy Archives. Aga Khan Trust for Culture. Geneva, Switzerland.
Written To: The Governor of The Governorate of al-Qahira
Date: July 20, 1980
The document envisions the future planning of Cairo and Fathy's suggestions for the expansion of greater Cairo, the future Cairo, and the preservation of the Fatimid and Mamluk historical heritage of Cairo.