Encyclopedias

Offers articles from the Columbia Encyclopedia and Britannica Concise Encyclopedia.

Multimedia, featuring text and videos. Results can be sorted into most recent or popular, guides or facts.

Provides information such as crime and method of capital punishment. Offered in chronological order from 1100AD until 1964.

Covets its history, people and cultural heritage.

Includes information about the state's natural and prehistory.

History, horticulture, pests and diseases, conservation, photographs, and references.

Compiled by Richard R. Wright, Jr. Reference work published in 1916.

Explanation of various terms and concepts that occur in spiritual literature.

A Wikia encyclopedia to catalog the fictional Dune universe - or Duniverse - in one dedicated hierarchy.