Reference: Websites

Census Bureau statistics are organized by themes, or topics and are available for business, the economy, education, employment, living conditions, health, housing, income, poverty, and numerous other topics.

Published annually by the Central Intelligence Agency (CIA), this is a handy reference work for basic statistical data on the countries of the world. Includes maps, and a resource called Flags of the World.

With a history spanning almost 200 years, Collins is one of the pioneering dictionary publishers today. Constantly updated, and with over 4.5 billion words, this living language resource helps Collins track and monitor language change, allowing us to identify the new words, phrases, and meanings that spring up every day, making for an unparalleled resource. The online dictionary also includes an extensive English thesaurus, and bilingual dictionaries in Spanish, French, Italian, German, Portuguese, Mandarin Chinese and Hindi, as well as a comprehensive grammar section.

For more than 150 years, in print and now online, Merriam-Webster has been America's leading and most-trusted provider of language information.