This study provides an historical context for the origin and evolution of the Spanish tradition of Apocalpyse imagery. The volumes in this series include an introductory text and catalogue raisonnee in chronological sequence in which concise codicological descriptions of each item are given, as well as critical discussions of date and orgin. All the illustrations of each manuscript are reproduced forming a corpus of nearly 2000 illustrations. The following manuscripts are catalogued and fully illustrated in this volume: the Silos fragment; the Morgan Beatus; Madrid Vitrina 14-1; the Volladolid Beatus; the Tabara Beatus; the Girona Beatus; and the Madrid 14-2 fragment. All inscriptions are transcribed and translated.