The Arab city, its character and Islamic cultural heritage : proceedings of a symposium held in Medina, Kingdom of Saudi Arabia, 24-29 Rabi II, 1401 AH, 28 Feb.-5 Mar., 1981 AD - Serageldin, Ismail, 1944-; El-Sadek, Samir; Herbert, Richard R. (I. Serageldin, 1982)