Sands, William H.2016-10-312016-10-3119471947b1469279x(OCoLC)07832501(OCoLC)ocm07832501https://hdl.handle.net/2144/18824Thesis (Ed.M.)--Boston University, 1947. This item was digitized by the Internet Archive.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsA follow-up study of the commercial graduates of a selected communityThesis/Dissertation