TY - BOOK ED - E.U.A. Department of Health, Education and Welfare TI - Social security bulletin. Annual statistical supplement, 1969 U1 - 368.40573 21 PY - 1969/// CY - Estados Unidos PB - SSA KW - Seguridad social KW - Leyes y legislación KW - México KW - Estadística KW - 1969 N1 - List of tables - OASDHI, program definitions - Historical summary of OASDHI legislation - Statistical tables: Social security and economic - Interprogram social security data - Old-age and survivors insurance - Public assistance - Maternal and child health and child welfare - Federal credit unions ER -