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100   $a19980601d1958----km-y0itay50------ba
105   $a--------00-yy
200 1 $a<<The >>American Labor Force$eIts Growth and Changing Composition$fGertrude Bancroft
210   $aNew York , London$cJohn Wiley & Sons , Chapman & Hall$d1958
215   $aXIV, 256 p.$d24 cm
225 1 $a<<The >>Census Monograph Series$v1
676   $a330.97
700  1$aBancroft,$bGertrude$0118714
801  0$aIT$bUNINA$gRICA$2UNIMARC
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952   $aXV L 258 (1)$b57655$fFGBC
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996   $aAmerican labor force$9468173
997   $aUNINA