The bulletin turns forty.
D000368:Aged; D000385:Aid to Families with Dependent Children; D003365:Costs and Cost Analysis; D006233:Persons with Disabilities; D005544:Forecasting; D006801:Humans; D007348:Insurance, Health; D007878:Legislation as Topic; D006278:Medicare; D009310:National Health Insurance, United States; D009313:National Health Programs; D010506:Periodicals as Topic / Q000266:history*; D011203:Poverty; D011632:Public Assistance; D012943:Social Security; D014481:United States