01338oas 2200421 a 450 991069211980332120120823112411.0(CKB)5470000002352239ocm54107880(OCoLC)54107880(OCoLC)995470000002352239(EXLCZ)99547000000235223920040129a19969999 sa engurgn|||||||||txtrdacontentcrdamediacrrdacarrierHow you earn credits[electronic resource][Baltimore, Md.] Social Security Administrationvolumes HTML, digital, PDF fileSSA publication ;no. 05-10072At head of title: Social Security."Destroy prior editions"--Jan. 2007 issue."ICN 467510."Description based on: Jan. 2003; title from title screen (viewed Jan. 14, 2004).Social security, how you earn creditsSocial securityUnited StatesPeriodicalsSocial securityUnited States.Social Security Administration.GPOGPOOCLCQGPODOCUMENT9910692119803321How you earn credits3198814UNINA