Ahmed Mohammed al-Maqqari's Nafhut Tibb min Ghusn al-Andalus al-Ratib wa Tarikh Lisan ad-Din Ibnal-Khatib. Translated by Pascual de Gayangos y Arce from
were al-Hasan ibn Muhammad al-Qaysi, an expert in poison and antidotes who was called "the last great magician-sage of al-Andalus" by Ibnal-Khatib; the
" taken from Ahmed Mohammed al-Maqqari's Nafhut Tibb min Ghusn al-Andalus al-Ratib wa Tarikh Lisan ad-Din Ibnal-Khatib. Translated by Pascual de Gayangos