Online Research

Center for Disease Control and Prevention
CDC is at the forefront of public health efforts to prevent and control infectious and chronic diseases, injuries, workplace hazards, disabilities, and environmental health threats.
http://www.cdc.gov

FirstGov.gov
This site provides official information and services from the U.S. government.
http://www.firstgov.gov/

GPO Access
GPO Access is a service of the U.S. Government Printing Office that provides free access to a wealth of information regarding the Federal Government.
http://www.gpoaccess.gov/index.html

Internal Revenue Service
http://www.irs.gov

THOMAS Legislative Information
THOMAS provides legislative information from the Library of Congress. It also includes a great link for teachers.
http://thomas.loc.gov/

U. S. Patent and Trademark Office
The USPTO secures (for limited times) the exclusive right to inventors' discoveries. This agency assists businesses in protecting their investments, and safeguards consumers against confusion and deception in the marketplace.
http://www.uspto.gov

U.S. Census Bureau
The Census Bureau provides quality data about the nation's people and economy.
http://www.census.gov/