Martens, Elise H. <br/><br/>
Statistics of special schools and classes for exceptional children / 
by Elise H. Martens 
 - Washington, D.C. :  U.S. Government Printing Office,  1950 
 - iii, 81 p. ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, Secondary--United States
<br/><br/><label>Dewey Class. No.: </label>373.06973