Full catalogue record in Fihrist: Union Catalogue of Manuscripts from the Islamicate WorldThe Materia medica consists of five books on medicinal substances. This copy contains only the last three books (maqālahs) of the treatise, of which Books 3 and 4 cover herbs and roots, and Book 5 wines &c. The copy was completed on 25 Dhu al Hijjah 637 AH (17 July 1240 CE) by al-Ḥasan ibn Aḥmad ibn Muḥammad al-Nashawī at al-Madrasah al-Niẓāmīyah, presumably in Baghdad, though madrasahs of the same name occur in other cities.