For General Discussion.
Fairbairn, On Prophecy;
Bleek, Lectures on the Apocalypse;
Vaughan, Lectures on the Revelation of St. John;
Milligan, Lectures on the Apocalypse; and Discussions on the Apocalypse;
Scott, “Book of Revelation”, in the Practical Commentary;
Stevens, Theology of the New Testament, Part VI;
Ramsay, Letters to the Seven Churches;
Introductions to the New Testament by Salmon, Dods, Bacon, Jülicher, and others;
Introductions to Revelation in the leading Commentaries, and in the Modern Reader's Bible, the New Century Bible, the Temple Bible, and the Modern American Bible; and the text of Revelation in the New Translation of the New Testament, by Moffatt.