Gentry, Robert Arthur2016-08-082016-08-0819481948b14669869(OCoLC)07816498(OCoLC)ocm07816498https://hdl.handle.net/2144/17645Thesis (M.A.)--Boston University, 1948. 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 study of references cited in textbooks in the field of civicsThesis/Dissertation