DYABOLASearches the subject catalogs of the German Archaeological Institute in Rome, the Bibliography of Iberian Archaeology from the German Archaeological Institute in Madrid, and the Archaeology of Roman Provinces from RGK Frankfurt. The DYABOLA is a bibliography of literature on classical, early Christian, Byzantine, early Medieval, and ancient Middle Eastern art and archaeology and history. It provides citations for articles from over 1,100 scholarly journals, contributions to Festschriften, conference proceedings, and other collections; books; dissertations. The database covers publications from 1956 to the present and is updated monthly.