Hay, Cora Gertrude2016-08-082016-08-0819421942b14670173(OCoLC)07816628(OCoLC)ocm07816628https://hdl.handle.net/2144/17648Thesis (M.A.)--Boston University, 1942. 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 study of vocabulary difficulties in pre-primary children's literatureThesis/Dissertation