
Britannica Junior Edition
(ages 5 to 11 years)

Britannica Student Edition
(ages 12 to 18 years)

Encyclopaedia Britannica (Library Edition)
(18 years)

Oxford English Dictionary
The Oxford English Dictionary is the accepted authority on the evolution of the English language over the last millennium. It is an unsurpassed guide to the meaning, history, and pronunciation of over half a million words, both present and past. It traces the usage of words through 2.5 million quotations from a wide range of international English language sources, from classic literature and specialist periodicals to film scripts and cookery books.

Oxford Dictionary of National Biography
The Oxford Dictionary of National Biography is an illustrated collection of more than 50,000 specially written biographies of the men and women from around the world who shaped all aspects of Britain's past.

Oxford Reference Online
Oxford Reference Online brings together language and subject reference works from one of the world's biggest reference publishers into a single cross-searchable resource.

Gale Virtual Reference Library
Principally dealing with history, wildlife and science. Many of the titles are provided by the publisher Dorling Kindersley and as such are fully illustrated and specifically written for younger readers aged 6-14. Also includes Grzimek's Animal Life Encyclopaedia and International Dictionary of Films and Filmmakers.