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*008020429s1998    xxu           000 u eng d
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*019  $bl
*035  $a(EXLNZ-47BIBSYS_NETWORK)990209822674702201
*035  $a(NO-LaBS)14703632(bibid)
*035  $a(NO-TrBIB)020982267
*035  $a020982267-47bibsys_network
*040  $aNO-TrBIB$bnob$ekatreg
*24500$aSocial action, private choice, and philanthropy :$bunderstanding the sources of improvements in black schooling in Georgia, 1911-1960
*260  $aCambridge, Mass.$bNBER$c1998
*300  $a37,[36] s.
*4901 $aNBER working paper series$v6418
*7001 $aDonohue III, John J.$_25222700
*7001 $aHeckman, James J.$_26741100
*7001 $aTodd, Petra$_63475500
*7102 $aNational Bureau of Economic Research (Forente Stater)$_13074800
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v6418$w999105437124702201$_13074900
*901  $a60
*999  $aoai:nb.bibsys.no:990209822674702202$b2021-11-14T20:56:48Z$z990209822674702202
^