Bureau of Labor Statistics - Unemployment and Inflation in the United States.
Bureau of Economic Analysis - Gross Domestic Product and Income in the United States.
Federal Reserve Board - Money and Monetary Policy
Department of Employment and Economic Development - Economic and Labor Conditions in Minnesota
Wikipedia - Explanations of Economic terms and concepts

The Conference Board - Measurement of Consumer Confidence
Economics 19e - Course-specific information from the publisher of the text used in the principles classes.
And, just for fun, you might want to visit the following link .