The relation between dependency and retardation a study of 1,351 public school children known to the Minneapolis Associated Charities Beard, Margaret Kent. creator text mnu Minneapolis, Minn.] University of Minnesota 1919 monographic eng
electronic resource
access 1 online resource (17 p.) : charts by Margaret Kent Beard. n-us-mn Children with disabilities Minnesota Minneapolis Poor Minnesota Minneapolis Associated Charities of Minneapolis. LC4033.M6 B4 Relation between dependency and retardation Beard, Margaret Kent. [Minneapolis, Minn.] : University of Minnesota, 1919 (DLC) 19027147 (OCoLC)11054206 Research publications of the University of Minnesota ; vol. 8, no. 1 Current problems (University of Minnesota) ; no. 10 http://www.archive.org/details/relationbetweend00bearrich http://www.archive.org/details/relationbetweend00bearrich OCLCE 081002 20151023231643.0 ocn259768410 eng