McNamara, Barbara2014-12-152014-12-1519471947b14689261https://archive.org/details/numberconceptsfo00mcnahttps://hdl.handle.net/2144/10051Thesis (M.A.)--Boston Universityen-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictions.Number concepts found in the first grade books of five basal reading series.Thesis/Dissertation