000 00425nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a312.0973
_bBCWP.5
110 _aU.S Bureau of the Census
245 _aOccupation trends in the United States 1900 to 1950
260 _aGovt.Pub.
_c1958
440 _aWorking papers;no.5
650 _aUnited State Census
942 _cBK
999 _c92766
_d92766