Twenty - ninth Yearbook of the National Society for the Society of Education : Report of the Society's Committee on Arithmetic 

 - 1st ed. 
 - Bloomington  Public School Publishing Company  1930 
 - x, 739 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Social Sciences
<br/><br/><label>Dewey Class. No.: </label>370.58  / N.S.S.E./TWE