Some ‘Umarian quatrains from the lifetime of ‘Umar Khayyám. Alexander H. Morton.
In: The great ‘Umar Khayyám. Leiden, Leiden University Press, 2012. pp. 55-65.

Morton draws attention to an overlooked anthology compiled by Abu ‘l-Qásim Nasr b. Amad b. who was writing during the reign of the Ghaznavid Mas ‘ùd III (492-508/1099-1115).