The Rubâʿîyât of ʿUmar-i-Khayyâm : Persian text edited from a manuscript dated 911 A.H. (1605 A.D.) in the collection of Professor S. Najîb Ashraf Nadvî, with a facsimile of the manuscript - Omar Khayyam; Nadvi, Najeeb Ashraf; Mahfuz-ul-Haq, M. (Asiatic Society, 1986)