For the original Armenian texts of Isaac's canons and letters to Proclius and Acacius, see Armenian Classical Authors 2003, pp. 159–224. Matenagirkʻ Hayotsʻ [Armenian Classical Authors] (PDF) (in Armenian). Vol. 1. Antilias, Lebanon: Metsi Tann Kilikioy Katʻoghikosutʻiwn. 2003.