Godfrey , Charles. <br/><br/>
The Teaching of Elementary Mathematics /  Textual Documents 
Charles Godfrey & A.W.Siddons. 
 - 2nd ed. / 
 - Cambridge :  At The University Press ,  1946. 
 - 322p. :  ill ;  20cm . 
<br/><br/>Index 
<br/><br/><label>Subjects--Index Terms: </label>Mathematics Elementary Mathematics G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>511  / G 542 T