Henry, Nelson B. <br/><br/>
Forty - Fifth year book of the National Society for the Study of Education; Part I  The measurement of understanding 

 - Chicago  University of Chicago Press  1946 
 - xi,338  22  cm 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>371.26