MManual for Elson-Runkel primerManual for Elson-Runkel primerde William H. ElsonEdiciones (1)Manual for Elson-Runkel primer (1915)Scott, Foresman & Co. · inglésMás obras de William H. ElsonGood English, Oral and Written, Book One-three1918Child-library readersTThe new Cathedral Basic readersThe new Cathedral Basic readers1952