Factbooks & Handbooks
- ABC Interactive World Fact Book
- American Fact Finder
From the US Census Bureau.
- CIA World Factbook
- Country Studies: Area Handbooks
"A continuing series of books prepared by the Federal Research Division of the Library of Congress under the Country Studies/Area Handbook Program sponsored by the Department of the Army. This online series presently contains studies of 100 countries."
- The Handbook of Texas
"A multidisciplinary encyclopedia of Texas history, geography, and culture. It comprises more than 23,000 articles on people, places, events, historical themes, institutions, and a host of other topic categories...accessible articles that provide factual, nonpartisan accounts on virtually every aspect of Texas history and culture."
- U.S. Bureau of Labor Statistics Occupational Outlook Handbook