History of the provisions of old-age, survivors, disability, and health insurance.

APA Citation

United States. Social Security Administration. (1971). History of the provisions of old-age, survivors, disability, and health insurance. Washington, D.C.: U.S. Dept. of Health, Education and Welfare.

MLA Citation

United States. Social Security Administration. History of the Provisions of Old-age, Survivors, Disability, And Health Insurance. Washington, D.C.: U.S. Dept. of Health, Education and Welfare, 1971.