Treatise on horses compiled from the works of the Mamluk Amīr al-Sayfī Yashbak al-Faqīh al-Malikī al-Ashrafī (السيفي يشبك الفقيه الملكي الأشرفي, fl. ca 1450) and Abū Bakr al-Bayṭār (أبو بكر البيطار, for both of these names see title page, f. 19v, transcribed below). The second named authority is...