Elson-Gray basic readersde William H. ElsonMateriasReadersReaders (Primary)Ediciones (2)Elson-Gray basic readers (1936)Scott, Foresman and Co. · inglésElson-Gray basic readers (1936)Scott, Foresman · inglésMás obras de William H. ElsonGood English, Oral and Written, Book One-three1918Child-library readersTThe new Cathedral Basic readersThe new Cathedral Basic readers1952
