Title: Sharḥ mushkil Khalʻ al-naʻlayn wa-iqtibās al-nūr min mawḍiʻ al-qadamayn
Subjects: Sufism, Early works to 1800, Doctrines, Mysticism, Islam
Places: Spain, Andalusia
People: Aḥmad ibn al-Ḥusayn Ibn Qasī (-1151 or 1152)