The Early Written Transmission of Chant in Northern Italy: the evidence of Milan, Biblioteca Ambrosiana, B 48 Sup., ff. 141-142

Entry 2625 in the second volume of Bernhard Bischoff’s posthumous Katalog der festländischen Handschriften des neunten Jahrhunderts concerns ff. 141r-142v of MS B 48 SUP. in the Biblioteca Ambrosiana in Milan1. These two leaves are bound as rear endleaves to an early manuscript from Bobbio containing various ecclesiastical texts2. According to Bischoff, the two folios