Houtsma and the story of the three school-fellows: Nizam al Mulk, Hasan B. Sabbah and ‘Umar Khayyam. S.Moinul Haq.
Journal of the Pakistan Historical Society, 28 (1953) 4, pp. 229–234.
The story of the three schoolfriends is generally considered to be controversial. The author however argues that there are authentic sources to support the story.
FitzGerald and Omar Khayyam. Patrick Pointon.
Contemporary Review 78 (1950), p. 99-102.
General article about FitzGerald, his life, his friends and his letters and the story of the Rubáiyát
The Unknown Omar Khayyam. J.A. Chapman.
English: The Journal of the English Association 7 (1948) 39 (Autumn), pp. 132 …
The title comes from a curious ‘pamphlet’ of twelve pages, issued by the Kenion Press, and priced four shillings, or fourpence per page. It contains 79 quatrains translated by Yusuf Khan.
The Tomb of Omar Khayyám. Sarton, George. ISIS, 29 (1938) 1 (July) pp. 15-19.
Der geschichtliche und der mythische Omar Chajjam’. Schaeder, H.H. Zeitschrift der Deutschen Morgenländischen Gesellschaft, 88 (1934) pp. 25–28.
The quatrains of ‘Omar-i-Khayyam. C.N.S.
In: The Journal of the Royal Asiatic Society of Great Britain and Ireland, 1931 No. 2 (April), p. 457-459
Critical review of Rosen’s edition of 1928.
Zur Frage der Echtheit der Vierzeiler ‘Omar Chajjams. Ritter, H. Orientalistische Literaturzeitung, 32 (1929) 3, pp. 156–163