000 00298nam a2200109Ia 4500
001 113431
008 170722s9999 xx 000 0 und d
100 _aThurston, Henry W.
245 _aConcerning juvenile delinquency :
_b Progressive changes in our perspectives /
260 _c1947.
942 _cGEN
999 _c35820
_d35820