Old-age, Survivors, and Disability Insurance Coverage: Number and Percent Relation to Total Population and to Paid Employment
United States. President and Council of Economic Advisers (U.S.). "Old-age, Survivors, and Disability Insurance Coverage: Number and Percent Relation to Total Population and to Paid Employment," in United States. President and Council of Economic Advisers (U.S.). "1960," Economic Report of the President (1960) : 155-155. https://fraser.stlouisfed.org/title/45/item/8131/toc/270025 , accessed on April 25, 2024.