DeRusha, Henry William2013-05-212013-05-2119501950b14717311https://hdl.handle.net/2144/5491Thesis (Ed.M.)--Boston Universityen-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsA survey and analysis of materials sent to parents of the preschool-age child before he enters school in SeptemberThesis/Dissertation