Ḥakīm ʻUmar K̲h̲ayyām. al-K̲h̲ayyām : yaʻnī tarjumah muntak̲h̲abah ʻUmar K̲h̲ayyām Nīshāpūrī /. Mat̤baʻ-i Shams al-Mat̤ābiʿ,, 1347 [1928 or 1929].