Oxford Reference Online: Premium Collection is a vast online reference library of over 212 titles available 24x7. It combines in-depth content offered by titles in the acclaimed Oxford Companions series with authoritative, quick-reference coverage of the full subject range.
Credo is a giant online reference library that provides you with access to a selection of 504 reference books.
It includes encyclopaedias, dictionaries, thesauri and books of quotations, not to mention a range of subject-specific titles covering everything from art to accountancy and literature to law.
This is the online version of the famous encyclopaedia. With a world atlas, timelines, comparative country data, international news feeds, and much more. There are sections for students and children.