Listed on this page are key reference resources that provide a general overview
of a topic or help identify synonyms, related terms, or basic data. These sources often include
references and lists of further readings.
The online version of the statistical classic. A comprehensive summary of statistics on the social, political, and economic organization of the United States.
The electronic version of the Encyclopaedia Britannica. An excellent starting point for almost any topic of research, the Britannica offers both concise descriptions, and longer, more comprehensive articles on a wide variety of topics.