Fourth report of the committee on economy time in education. 

 - Bloomington  Public School Pub., Co.  1922. 
 - 123 p. 
 - In National society for the study of education. 18th Yearbook. Bloomington, Ill., 1922. pt.2 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education of Children