Lurensky, Maurice Leon2016-10-202016-10-2019471947b14790488(OCoLC)07963238(OCoLC)ocm07963238https://hdl.handle.net/2144/18358Thesis (M.A.)--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 determination of the applications of the principles of biology found in four textbooks of biology for the senior high schoolThesis/Dissertation