Aretha Kaisareias Scholia eis tēn Porphyriou Eisagōgēn kai tas Aristotelous Katēgorias = Arethas of Caesarea's scholia on Porphyry's Isagoge and Aristotle's Categories, 1994.
Brill's new Pauly online, 30 January 2013 (Εἰσαγωγὴ εἱς τάς Ἁριστοτέλους κατηγορίας; written on Sicily before 270)
Dictionary of Greek and Latin authors and texts (Brill's new Pauly supplement), 2009 page 521 (Εἱσαγωγή, Isagoge, Introductio; explanation of the main concepts of Aristotle's categories)
LCCS: PA4396.Z2 (Isagoge (In Aristotelis Categorias introductio; Isagoge de quinque vocibus sive praedicabilibus; Quinque voces))