Daniels, Sybil Louisa2016-06-152016-06-1519491949b14744132(OCoLC)07884973(OCoLC)ocm07884973https://hdl.handle.net/2144/16676Thesis (M.A.)--Boston University, 1949. This item was digitized by the Internet Archive.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsTeaching the topic "color" in high school science classes by means of natural-color photo-graphic slidesThesis/Dissertation