MOHAMMAD ZAKARIYA AL-RAZI, A COLLECTION OF THREE TREATISES ON MEDICINE Central Asia or Afghanistan, dated 15 January 1789 Arabic manuscript on paper, 77ff. plus one fly-leaf, each folio with 15ll., in naskh script in black ink, chapter headings and markings in red ink, catchwords, each book signed Mulla Mohammad ibn Ali, and dated 1789, in blind-tooled morocco binding, stamped with a bird within a lobed cartouche and Sa'adi poetry in nasta'liq script, 21cm x 13cm.