Primary Texts : 

FOR BEST BIBLIOGRAHICAL RESOURCE, VISIT: www.omarkhayyamnederland.com/

A.A. Seyed-Gohrab (ed.) The Great ‘Umar Khayyām: A Global Reception of the Rubáiyát, Leiden University Press, 2012

A.J. Arberry, The Rubā‘īyāt of Omar Khayyām, London, 1949

A. J. Arberry, The Romance of the Rubáiyát, George Allen & Unwin, Ltd, 1959

Ali Dashti, دمی با خیام /Dami baa Khayyaam/A Moment with Khayyaam , 5th ed., Amir Kabir, Tehran, 1381/2002

L.P. Elwell-Sutton, In Search of Omar Khayyam, in Persian Studies Monographs, Columbia University Press, New York, 1971, 187. This is Elwell-Sutton's translation of the 2nd edition of Dashti's دمی با خيام

Sadeq Hedayat, ترانه های خیام /Taraanehaa-ye Khayyaam/The Songs of Khayyaam, Javidan, Tehran , 1313/1934

Parichehr Kasra, The Rubā‘īyāt of ‘Umar Khayyām, Scholars’ Facsimiles & Reprints, Delmar, New York, 1975 (first appearing in the UNESCO Collection of Representative Works, Persian Series, Persian Heritage Series No. 21). The 178 quatrains of Mohammad Ali Forughi and Qaasem Ghani serve as Kasra's text

Edward FitzGerald, The Rubáiyát of Omar Khayyám, the 5 editions from the 1st, 1859 to the 5th (the posthumous edition of 1889)

(thumbnail: critical edition of FitzGerald'sRubáiyát, ed. Christopher Decker, 1997, University of Virginia Press)

Edward Heron-Allen, Edward FitzGerald’s Rubâ’iyât of Omar Khayyâm with their Original Persian Sources, Bernard Quaritch, London , 1899 http://books.google.com/books?id=nDZkAAAAMAAJ&dq=Fitzgerald&pg=PP1#v=onepage&q&f=false

Edward Heron-Allen, The Rubai'yat of Omar Khayyâm: A Facsimile of the MS in the Bodleian Library, Translated and Edited by Edward Heron-Allen, Boston, 1898 http://books.google.com/books?id=eNYLAAAAIAAJ&printsec=frontcover&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false

Edward FitzGerald, Rubáiyát of Omar Khayyám, ed. Daniel Karlin, Oxford University Press, 2009

The Quatrains of Omar KhayyámBardic Press, California, 2005 (contains FitzGerald, first and fifth editions, and translations by Desmond McCarthy and Richard Le Gallienne)

J.B. Nicolas, Les quatrains de Khèyam, Paris, 1867

Ahmad Saidi, Ruba'iyat of Omar Khayyam, Asian Humanities Press, 1991. Ahmad Saidi has given the Persian text and his translation of 165 quatrains and has annotated the text

Swami Govinda Tirtha, The Nectar of Grace, Government Central Press, Kitabistan, Allahabad,1941 (http://www.archive.org/stream/nectarofgrace031160mbp)

E.H. Whinfield, The Quatrains of OmarKhayyám, 2nd ed., London, 1901

Peter Avery & John Heath-Stubbs, The Ruba'iyyat of Omar Khayyam, Penguin, 1981