[Cologne]: [Johann Landen], [1507 c.], vdm: 1572
woodcut
Rotunda, Uncial
The music examples are printed in rough woodcut.
Hufnagel notation
example in theory book
12 chapters on clefs, intervals, tones and modes, with music examples (e.g. "Alma redemptoris mater").
Sachs, Klaus-Jürgen. Musiklehre im Studium der Artes: Die "Musica" (Köln 1507) des Johannes Cochläus. Vol. 1. Olms: Hildesheim, Zürich, New York 2015. (202-221)