Classification division.  Class L, Education.  Class L, Education. 

 - 3rd ed. (with supplementary pages). 
 - Washington,  1966. 
<br/><br/> This ed. first published in 1951. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification -- Books -- Education.--Classification -- Books -- Education.--Classification -- Books -- Education.