[50th anniversary of Lenin's decree on state social insurance].
D006233:Persons with Disabilities; D049673:History, 20th Century; D007346:Insurance, Accident / Q000266:history*; D007348:Insurance, Health / Q000266:history*; D014586:USSR; D014478:Unemployment
K piatidesiatiletiiu Leninskogo dekreta o gosudarstennom sosial'nom strakhovanii.