Note 3020 — Chapter XXXII · CONSTANTINUS AFRICANUS: C. 1015-1087.
Reading edition
The preface to Constantinus’ translation of Isaac on fevers is addressed to his “dearest son, John”: see Brussels, Library of Dukes of Burgundy 15489, 14th century, “Quoniam te karissime fili Iohanne”; Cambrai 914, 13-14th century; Cambrai 907, 14th century, fol. 1, Prefatio Constantini ad Johannem discipulum.