Christoph Flüeler,
founder and director
University of Fribourg
Cologny, Fondation Martin Bodmer, Cod. Bodmer 9, f. 30v – Aristoteles, Categoriae uel Praedicamenta; De interpretatione uel Periermenias . Boethius, Commentarius in Aristotelis Categorias
http://www.e-codices.ch/en/fmb/cb-0009/30v