BIBLIOGRAPHY REFERENCE: BOOK Ahwāl wa āthār-i ʿUmar-i Khayyām Author Saʿid Naficy (Author) Year of Publication 1931 City Tehran Other Numbers 11496 See reference for OpenMind ISMI items with this reference Person: Ġiyāṯ al-Dīn Abū al-Fatḥ ʿUmar ibn Ibrāhīm al-Ḫayyāmī al-Nīšāpūrī
