Columbia subject headings:
Harvard subject headings:
Niẓām al-Mulk, 1018-1092--Fiction.
Ḥasan ibn al-Ṣabbāḥ, -1124--Fiction.
Princeton subject headings:
Fiction.
Ḥasan ibn al-Ṣabbāḥ, -1124--Fiction.
Niẓām al-Mulk, 1018-1092--Fiction.