Haq, S. Moinul
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.
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.