provides the most comprehensive data sets on labor force, employment, unemployment and underemployment; and provides the most current or updated data.
Unemployment in the U.S.. The U.S. Unemployment Rate since 1960 Sources : and, Robert J. Gordon, Macroeconomics (Boston: Addison-Wesley,
Fluctuations in Economic Output, Unemployment, and Inflation.
Economic Fluctuations, Unemployment, and Inflation