Oxford Reference provides access to some 300 encyclopaedic dictionaries and dictionaries produced by Oxford University Press.
Subjects: Art and Architecture, Biological Sciences, Classics, Computing, Earth and Environmental Sciences, Economics and Business, Encyclopaedia, Food and Drink, History, Law, Literature, Maps, Medicine, Military History, Mythology and Folklore, Names and Places, Performing Arts, Physical Sciences and Mathematics, Politics and Social Sciences, Religion and Philosophy, Science.
Infos
A guide to Oxford University Press's Online Reference Products [PDF]
Manuals
Timelines (for selected topics and countries)
Tutorials
Instructional Video (Tutorials)