al-K̲h̲ayyām : yaʻnī tarjumah muntak̲h̲abah ʻUmar K̲h̲ayyām Nīshāpūrī / - Ḥakīm ʻUmar K̲h̲ayyām (Mat̤baʻ-i Shams al-Mat̤ābiʿ,, 1928)