Revelations - Preterist, Historicist, Futurist, and Idealist views explained and examined. - http://www.drfry.com/Articles/Eschatology/Revelations/Intro.htm
Views of the Book of Revelation - When written and explanations of each view along with key verse and interpretations per view. - http://preacherstudy.com/pdf/revelation.pdf
Book of Revelation - Definitions with historical notes, commentaries referenced, and analysis. - http://www.tpub.com/religion/bible%20prophecy/revbook/