000 00286nam a2200121Ia 4500
100 _aZietz, Dorothy
942 _cBK
654 _a
245 _aChild welfare
_bPrinciples and methods
260 _aNew York
_bJohn Wiley & Sons
_c1964
082 _a362.7
300 _bHb
_c22.8cm
_axii,384
999 _c358050
_d358050
041 _aeng