Oxford Reference

The Premium Collection includes over 175 titles, updated regularly with an expanding range of key titles in the acclaimed Oxford Companions and Oxford Dictionaries series, plus the Visual English Dictionary, the Oxford Dictionary of Quotations and new heavily illustrated natural history titles such as the Encyclopedia of Mammals. This means a total of over 1.3 million entries, including longer, in-depth, signed entries with bibliographies. The Premium Collection is updated regularly with new titles, new editions, new entries, full-color maps and illustrations, timelines, web links, and bibliographies.