Firenze, Biblioteca Nazionale Centrale, Ms Magl. XIX, 121

Songbook of Marietta Pugi (the first 8 pieces form an acrostic “Marietta”), ca. 1510. 36 Italian, Flemish and German songs.
Januar 2013
http://www.bncf.firenze.sbn.it/oldWeb/Bib_digitale/Manoscritti/M19_121/main.htm