""The Fourth Gospel: Evidences External and Internal of Its Johannean Authorship"" is a book written by Ezra Abbot and published in 1891. The book is a detailed analysis of the Gospel of John, one of the four canonical gospels of the New Testament. Abbot examines the external and internal evidences that support the authorship of the gospel by John the Apostle. In the first part of the book, Abbot discusses the external evidences, which include historical...