found: His Rubaiyāt khō̜ng Hakim ʻŌmā Khaiyām, 1969: t.p. (Hakim ʻŌmā Khaiyām)
found: His Ōmar Khayeami kʻaṛeakner, 1976: t.p. (Ōmar Khayeami)
found: Jaʻfarī, M.T. Taḥlīl-i shakhṣīyat-i Khayyām, 1986: t.p. (ʻUmar ibn Ibrāhīm Khayyāmī)
found: Mambetakunov, K. Omor Khaĭi͡amdyn makhabaty, 1986: t.p. (... Omor Khaĭi͡amdyn) cover p. 1 (... Omar Khaĭi͡amdyn) Russian colophon (... Omara Khaĭi͡ama)
found: Leṿi, Sh. ha-Rubaʻiyat shel ʻOmar Khayam, c1987 or c1988: t.p. (ʻOmar Khayam)
found: Cerha, F. Zehn Rubaijat des Omar Khajjam, c1990.
found: His Rubai, 1991: t.p. (Omar Khaĭi͡am) p. 3 (Gii͡as ad-Din Fatkh ibn Ibrakhim Omar Khaĭi͡am Nishapuri)
found: Rubaiyat ; seguidos del poema Kuza-nama, 1951: t.p. (Omar Kheyyam)
found: Omā Kaiyamu Yongyōka hyakku, 1910.
found: Ensayo crítico sobre Las Rubáiyát de Umar-i-Khayyám, 1930.
found: Roumpagiat, 1953: t.p. (Omar Kagiam)
found: Robaiyyat, c1993: t.p. (Omar Jayyam)
found: Ruboiĭlar, 1976: t.p. (Umar Khaĭëm)
found: Rubaije, 2000: t.p. (Omer Hajjam)
found: Ruboʺiëti Khaĭëm, 1996: p. 3 (Umari Khaĭëm)
found: Erdmann, D. Drei Lieder für mittlere Stimme, Mandoline und Gitarre, c2001: t.p. (Omar) p. 2 (Omar, der Zeltmacher)
found: Robáiyáte Omar Xayyám, c1997.
found: Rubāʻīyāt-i ʻUmar K̲h̲ayyām, 2007: t.p. (Umara K̲h̲ayyāma) jkt. (Abūlfat̤ḥ G̲h̲ayās̲uddīn ʻUmar bin Ibrāhīm, Abula Fateha Ghayāsuddīna Umara bina Ibrahīma)
found: An essay by the uniquely wise ʻAbel Fath Omar Bin Al-Khayyam on algebra and equations, c2008: t.p. (Omar Al-Khayyam)
found: Wikipedia, July 19, 2008 (Omar Khayyám; Ghiyās od-Dīn Abol-Fath Omār ibn Ebrāhīm Khayyām Neyshābūri (b. Neyshābūr, Persia, May 18, 1048-d. Dec. 4, 1122); Persian poet, mathematician, philosopher and astronomer; name is also given as Omar al-Khayyami)
found: The authentic Rubaiyyat of Sufi poet Omar Khayaam, 1993.
found: Encyclopedia Britannica online, 23 November 2010 (born May 18, 1048, Neyshābūr, Khorāsān [now Iran] ; died December 4, 1131, Neyshābūr ; Persian mathematician, astronomer, and poet)
found: Tahqīq dar afkār va bāztāb-i ās̲ār-i jahānī-i Ḥakīm ʻUmar Khayyām Nīshābūrī, 2003: t.p. verso (Iranian CIP data: Khayyām, ʻUmar ibn Ibrāhīm, 432-517 Q. [1053 or 4-1138 or 9])
found: Omar Haýýam, 2011: title page (Omar Haýýam)
Omar Khayyam
