Ayres, Leonard Porter,  1879-1946. <br/><br/>
The measurement of educational processes and products, 
by Leonard P. Ayres. 
 - New York,  Division of Education, Russell Sage Foundation  [1912] 
 - 1 p. l., 9 p.  23 cm. 
 - [Russell Sage Foundation. Dept. of Child Hygiene. Pamphlets] ;  no. 116 .
<br/><br/> "Address delivered before the Harvard Teachers' Association, Cambridge, Mass., March 9, 1912." 
<br/><br/>
<br/><br/><label>LCCN: </label>e  12000804  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education.<br/>Teaching.
<br/><br/><label>LC Class. No.: </label>LB1131  / .A85