Al- Ḥashshāshūn.
Series: His  Min tārīkh al-'Arab wa-al-Islām
Published: 1968
Place of publication: Bayrūt
Language: ara
Number of pages: 112
Subjects: Omar Khayyam.; Niẓām al-Mulk, -- 1018-1092; Ḥasan ibn al-Ṣabbāḥ, -- d. 1124.