Reference wikis include encyclopedias, dictionaries, quotations, how-to articles, tax almanacs and language reference guides. Easy access to information that is of immediate use makes these wikis an invaluable tool and among the most popular wikis in the world.
1911 Encyclopedia
A community project to restore the 1911 Edition of the Encyclopedia Britannica.
Archiplanet
An architecture wiki focusing on information about famous or interesting buildings around the world.
Genealogy Wikia
A wiki focused on genealogy with articles on ancestors with links to where and how they lived.
Wiki Answers
A great twist on question-and-answer websites, Wiki Answers puts a global think tank on answering any curiosity your brain can conceive.
Wikibooks
Wikibooks is a collection of open-content educational textbooks. It is part of the Wikimedia Foundation.
