Heck, Arch Oliver,  1887- <br/><br/>
Education of crippled children / 
by Arch O. Heck. 
 - Washington :  U.S. G.P.O.,  1930. 
 - vi, 57 p., [1] leaf of plates :  ill., forms ;  23 cm. 
 - Bulletin / United States Department of the Interior, Office of Education ;  1930, no. 11 .
 - Bulletin (United States. Office of Education : 1929b) ;  1930, no. 11 .
<br/><br/>Bibliography: p. 55-57. 
<br/><br/><label>LCCN: </label>e  30000315  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children with disabilities--Education--United States.
<br/><br/><label>LC Class. No.: </label>L111  / .A6 1930, no. 11