EBSCOHost is a good one. JSTOR if you want a journal.
Or simply, the all knowing infallible Google.
Roget's Thesaurus Roget's Thesaurus
almanac
A history textbook.
Wikipedia
encyclopedia
in a almanac!
I would use internet or ipod/iphone
Wiki Answers, a dictionary, or a thesaurus. (thess OH russ)
almanc
Look it up!!!
encyclopedia
A dictionary or thesaurus