An encyclopedia (American English) or encyclopaedia (British English) is a reference work or compendium providing summaries of knowledge, either general...

referred to as the Old Catholic Encyclopedia and the Original Catholic Encyclopedia, is an English-language encyclopedia published in the United States...

An online encyclopedia, also called an Internet encyclopedia, is a digital encyclopedia accessible through the Internet. Examples include Encarta from...

Encyclopedia.com is an online encyclopedia. It aggregates information from other published dictionaries, encyclopedias and reference works including pictures...

The Columbia Encyclopedia is a one-volume encyclopedia produced by Columbia University Press and, in the last edition, sold by the Gale Group. First published...

Encyclopedia Dramatica (ED or æ; stylized as Encyclopædia Dramatica) is a satirical online community centered around a wiki that acts as a "troll archive"...

The Encyclopedia of Life (EOL) is a free, online encyclopedia intended to document all of the 1.9 million living species known to science. It aggregates...

Look up encyclopedia in Wiktionary, the free dictionary. An encyclopedia is a type of reference work. Encyclopedia may also refer to: Encyclopedia (album)...

Wikipedia is a free content online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and...

The Stanford Encyclopedia of Philosophy (SEP) is a freely available online philosophy resource published and maintained by Stanford University, encompassing...