Koos, Leonard V. . <br/><br/>
Junior High School Trends /  Textual Documents 
Leonard V. Koos. 
 - 1st ed / 
 - London :  Harrison & Sons ,  1955. 
 - 167p ;  23 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Education T/G-Education 
<br/><br/><label>Dewey Class. No.: </label>373  / K 837 J