Federal Sources

WhiteHouse.gov: Contact the White House
Contact the President of the United States with this form.
Senate.gov: Contact Information
United States Senator directory includes navigating by state or class.
House.gov: Directory of Representatives
Locate representatives' contact information by state and district and by last name.

National Institute of Justice
Research, program development and evaluation of justice programs with an emphasis on scientific evidence.
Centers for Disease Control and Prevention
Under diseases and conditions, several specific topics have a data and statistics section, which sometimes includes interactive maps and data displays down to the county level.
United States Census Bureau
Demographic and housing data, including some social and economic characteristics for various levels of geography (nation, state, county, city, zip code).
United States Small Business Administration
The United States Small Business Administration is an agency that oversees loans, contracts, counseling and other forms of business assistance.
United States Department of Agriculture
The United States Department of Agriculture oversees federal laws and regulations that assist farmers, food producers, and consumers across multiple industries.

American FactFinder
Search for statistics on people, housing, business, and government. Compiled by the U.S. Census Bureau.
FedStats: Search
Search for statistics on a wide variety of topics. Compiled by over 100 U.S. government agencies.
Bureau of Justice Statistics
Publications and various topics compiled by the federal agency responsible for collecting and disseminating crime statistics.
NAICS Identification Tools
The North American Industry Classification System (NAICS) is the standard used by Federal statistical agencies in classifying business establishments.
Standard Industrial Classification System Search
A search engine for browsing the federal system that classifies industries which are identified by numerical codes.
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The search engine is hosted by the Occupational Safety and Health Administration, an agency under the United States Department of Labor.

United States Copyright Office
The federal department, under the Library of Congress, responsible for overseeing copyrighted materials.

National Center for Biotechnology Information: GeneReviews
GeneReviews are expert-authored, peer-reviewed disease chapters and overviews presented in a standardized format and focused on clinically relevant information.
CIA World Factbook
Find information like demographics, industries, government, and more for over two hundred entities around the world.
Uniform Crime Reports
Multiple publications and reports that include information and statistics regarding various crimes.

Fact-Checking Sources

PolitiFact
Owned by the nonprofit Poynter Institute for Media Studies, PolitiFact is a website dedicated to fact-checking United States Politics.
Snopes
Since 1994, Snopes has been providing evidence-based fact-checking analysis.
FactCheck.org
Established by the Annenberg Public Policy Center of the University of Pennsylvania, FactCheck.org provides users with various fact-checking articles and tools.
Fact Checker: The Washington Post
Fact Checker, which began as a column in 2007, is now a permanent feature of the newspaper, seeking the truth in statements from political figures.

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