United States. President and Council of Economic Advisers (U.S.). "Civilian Employment/Population Ratio by Demographic Characteristics," in United States. President and Council of Economic Advisers (U.S.). "2003," Economic Report of the President (2003) : 318-318. https://fraser.stlouisfed.org/title/45/item/8102/toc/278922 , accessed on April 19, 2024.