Robert M. Ball: a life dedicated to social security.
Puckett
Carolyn
C
Office of Research, Evaluation, and Statistics, Office of Retirement and Disability Policy, Social Security Administration, USA.
D049673:History, 20th Century; D049674:History, 21st Century; D006278:Medicare / Q000266:history*; D012943:Social Security / Q000266:history*; D014481:United States; D019131:United States Social Security Administration / Q000266:history*