Oxford University press online reference works
Very Short Introductions online resource provides the perfect way to get ahead in a new subject quickly.
Oxford Reference Online: The biggest, most authoritative reference work in the world.
Oxford Dictionaries Online: Dictionaries by Oxford University Press - answer questions on English grammar, spelling and usage.
People: Oxford Dictionary of National Biography covers 57,874 people, 2,400 years.
Who's Who: The definitive directory of everyone who’s anyone in Britain, and beyond, today.