00998cam a22002651 4500001001300000003000400013005001700017008004100034010001700075035001900092040005000111042001200161050002200173082001000195110009400205245003600299250001100335260007800346300000900424500003900433500010600472505009000578650004700668999001700715ss 45000054 DLC20260227112751.0781001s1942 xx 000 0 eng c ass 45000054  a(OCoLC)4264624 aU.S. Social security board. LibrarycOAkdDLC apremarc00aHA40.I6bU65 1942 a331.71 aUnited States.bSocial Security Board.bCommittee on Industrial Classification Practices.10aIndustrial classification code. a3d ed. aWashington, D.C.,bFederal Security Agency, Social Security Board,c1942. a3 v. aReproduced from type-written copy. a"Prepared by the Social Security Board, Committee on Industrial Classification Practices."--Foreword.0 aI. Description of industries.--II. Manufacturing index.--III. Nonmanufacturing index. 0aIndustrieszUnited StatesxClassification. c90900d90900