Columbia subject headings:
Najm al-Dīn Kubrá, Aḥmad ibn ʻUmar, 1145 or 6-1221. Uṣul al-ʻasharah.
Sufism--Early works to 1800.
Harvard subject headings:
Nazhmiddin Kubro, 1145 or 1146-1221. Uṣul al-ʻasharah.
Sufism--Early works to 1800
Princeton subject headings:
Nazhmiddin Kubro, 1145 or 1146-1221. Uṣul al-ʻasharah.
Sufism--Early works to 1800.