Gonzalez, Revelation, 59-75.
David Aune, “God and Time in the Apocalypse of John,” in A. Andrew Das and Frank J. Matera, The Forgotten God: Perspectives in Biblical Theology (Louisville: Westminster John Knox, 2002) 229–248.
K. Beale, “The Influence of Daniel upon the Structure and Theology of John’s Apocalypse,” Journal of the Evangelical Theological Society27 (1984) 413–23.
Gordon Franz, “The King and I” (Bible and Spade) http://www.biblearchaeology.org/post/2010/01/18/the-king-and-i-the-apostle-john-and-emperor-domitian-part-1.aspx#Article
Allen McNicol, “Revelation 11.1-14 and the Structure of the Apocalypse,” Restoration Quarterly22 (1979) 192–202.
John O’Rourke, “The Hymns of the Apocalypse,” Catholic Biblical Quarterly 30 (1968) 399-409.
The Seven Angels with the Trumpets, from The Apocalypse, Latin Edition, 1511, by Albrecht Durer