This chapter provides that large amounts of information about the material culture of the ancient Mediterranean world are becoming available online. It shows that some commercial enterprises are far more open with their data than are many initiatives originating within the academy or not-for-profit institutions such as museums and digital repositories. The Classical Numismatics group (CNG) site provides a more complete description of the piece that includes the standard references to Roman Provincial Coinage (RPC) and the catalogue of the British Museum. The site JSTOR describes itself as: a not-for-profit organization dedicated to helping the scholarly community discover, use, and build upon a wide range of intellectual content in a trusted digital archive. The site Roman Amphoras: A Digital Resource, hosted by the UK's Archaeological Data Service (ADS) describes itself as an 'online and introductory resource for the study of Roman amphorae, rather than a definitive study of all amphorae for specialists'.