WITNESS

Zīj Zakūṭ (Almanach perpetuum)_Cairo_Dār al-kutub_Dār al-kutub mīqāt_1081

References

King, David. 1986. A Survey of the Scientific Manuscripts in the Egyptian National Library. Winona Lake, IN: Eisenbrauns; The American Research Center in Egypt.

P. 140 (F31), 2.2.9.