Zimmermann, Ruben. Nuptial Imagery in the Revelation of John. Biblica 84 (2003): 153-83. This article is now on-line.
Abstract: “In this article is argued that the nuptial imagery of the Book of Revelation is not limited to chapters 19 and 21 but rather runs throughout the book. While the imagery is certainly most pronounced in the final part of the book, it also appears in the letters to the churches (bridal wreath in Rev 2,10; 3,11), in the scene depicting the 144,000 as virgins (Rev 14,4-5), and is encountered again in Rev 18,23 (silencing of the voice of bridegroom and bride) and Rev 22,17 (summons of the bride) at the end of the book. Thus the wedding metaphors can be seen as one of the structural patterns of Revelation as a whole directly in contrast to the metaphors of fornication.”