Basel: Michael Furter, 1501, vdm: 638
woodcut
Textura
Hufnagel notation
example in theory book
Musical examples for modes, etc.
The book is also listed in the 1548 Bibliography by Gesner (see Bernstein).
Bernstein, Lawrence F. “The Bibliography of Music in Conrad Gesner's Pandectae (1548).” Acta Musicologica 45 (1973): 119-163 (no. 66)
Giselbrecht, Elisabeth, and Elizabeth Savage. “Printing Music: Technical Challenges and Synthesis, 1450–1530,” in Early Music Printing in German-Speaking Lands, ed. Andrea Lindmayr-Brandl, Elisabeth Giselbrecht and Grantley McDonald. London: Routledge, 2018: 84–99. (91)