Oxford Reference Online Premium (ORO Premium) brings together language and subject reference works from one of the world’s biggest reference publishers into a single cross-searchable resource. The Core Collection contains over 100 dictionary, language reference, and subject reference works published by Oxford University Press. It is a fully-indexed, cross-searchable database of these books, giving subscribers unprecedented access to a comprehensive information resource. The Premium Collection offers all of the above, plus added functionality and more detailed information across a broad subject range from titles in the world-renowned Oxford Companions Series. These quality online reference books compliment the Libraries’ existing online reference collection, which includes the Oxford English Dictionary (OED) Online and the Gale Virtual Reference Library.