David the Invincible, commentary on Porphyry's "Isagoge": Old Armenian text with the Greek original, and En… by Davitʹ,, Anhaġtʹ fromPhilosophia antiqua 0 Type: Book
David the Invincible, Commentary on Aristotle's Prior Analytics: Old Armenian text with an English translation, in… by Topchyan, Aram, Davitʹ,, Anhaġtʹ fromPhilosophia antiqua 0 Type: Book
