Bibliography 



Courtis, S. A. First Annual Accounting. Bulletin Number 

 One, Detroit, 1912. 



Courtis, S. A. Second Annual Accounting. Bulletin Num- 

 ber Two, Detroit, 1913. 



Courtis, S, A. Better Teaching in Arithmetic. Detroit, 1913. 



Courtis, S. A. Median Scores, Series B. Bulletin Number 

 Three, Detroit, 1914. 



Kelly, F. J. Teachers' Marks. Columbia University Contri- 

 butions to Education, 1914. 



Rice, J. M. Scientific Management in Education. New York, 

 1913. 



Stone, Cliff Winfield. Arithmetical Abilities and Some 

 Factors Determining Them. New York, 1908. 



(508; 



