Green, David B.2014-09-292014-09-2919521952b14691528https://hdl.handle.net/2144/9156Thesis (M.A.)--Boston Universityen-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsField trips, guest speakers, films, and other visual materials available to high schools by selected business firms in Metropolitan BostonThesis/Dissertation