While it can hardly be said that there is at present any unanimous agreement on the subject, the best modern criticism favors the authenticity of the seven letters mentioned by Eusebius. Even such eminent non-Catholic critics as Zahn, Lightfoot, and Harnack hold this view. Perhaps the best evidence of their authenticity is to be found in the letter of Polycarp to the Philippians, which mentions each of them by name. As an intimate friend of Ignatius, Polycarp, writing shortly after the martyr’s death, bears contemporaneous witness to the authenticity of these letters, unless, indeed, that of Polycarp itself be regarded as interpolated or forged. When, furthermore, we take into consideration the passage of Irenaeus (Adv. Haer., V, xxviii, 4) found in the original Greek in Eusebius (Hist. eccI., III, xxxvi), in which he refers to the letter to the Romans. (iv, I) in the following words: “Just as one of our brethren said, condemned to the wild beasts in martyrdom for his faith”, the evidence of authenticity becomes compelling. The romance of Lucian of Samosata, “De morte peregrini”, written in 167, bears incontestable evidence that the writer was not only familiar with the Ignatian letters, but even made use of them. Harnack, who was not always so minded, describes these proofs as “testimony as strong to the genuineness of the epistles as any that can be conceived of” (Expositor, ser. 3, III, p. 11).