Thompson, Barbara2016-06-152016-06-1519471947b14790816(OCoLC)07963959(OCoLC)ocm07963959https://hdl.handle.net/2144/16545Thesis (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 restrictionsThe geography of the polar and sub-polar regionsThesis/Dissertation