Briggs,Thomas H <br/><br/>
Secondary Education / 
Thomas H. Briggs, J. Leonard y Joseph Justman 
 - Revised Edition 
 - New York :  Macmillan,  1950 
 - 468p. :  20,50cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Enseñanza secundaria
<br/><br/><label>Universal Decimal Class. No.: </label>373