Cotner, Robert A.2017-04-202017-04-2019441944b147216617865910https://hdl.handle.net/2144/21557Thesis (M.S.)--Boston University, 1944. This item was digitized by the Internet Archive.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsReasons for the replacement of older children as seen in thirty-two cases of the Boston Children's Aid Society and thirty-four cases of the New Bedford Children's Aid SocietyThesis/Dissertation