Deabler, Herdis LeRoy2017-02-162017-02-1619361936b14758696(OCoLC)07901642(OCoLC)ocm07901642https://hdl.handle.net/2144/20388Dissertation (Ph.D.)--Boston University, 1936. This item was digitized by the Internet Archive.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsThesis/Dissertation