Nuzhat al-Mushtaq by: Al-IdrisiAl-Idrisi: Nuzhat al-Mushtaq, quoted by Murad al-Rammah: The Ancient Library of Kairaouan and its methods of conservation, in The Conservation and preservation of Islamic manuscripts, Proceedings of the Third Conference of Al-Furqan Islamic Heritage Foundation, 1995, pp 29-47, at p. 29.