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024 _a68059
037 _cTextual
040 _aCRL
_cCRL
_beng
041 _2eng
_aeng
082 _aY1:5:5G:361CB:N4, J0
100 _aWofinden R. C.
_9637311
245 0 _aProblem families in Bristol
260 _c1950
490 _aOccasional papers on eugenics, 6
650 _aSOCIOLOGY
942 _hY1:5:5G:361CB:N4, J0
_cTEXL
_2cc
999 _c1055496
_d1055496