Breviarum medicinaeSerapion, Johannes, the Elder, 9th century1 August 1479.latDealers' descriptions pasted onto back cover (1959) say Johannes Serapion Senior is Jahiah Ben Serabi, 802-849.Leaf a1 (blank) preceded by seven others filled with manuscript notes in a contemporary hand.Signatures: a8, b8, c6, d8-h8, hh8, i8, k6, l8, m6, n8, o6, p6, q8-t8.