TY - BOOK AU - Martens,Elise H. TI - Opportunities for the preparation of teachers of exceptional children T2 - Bulletin / United States Department of the Interior, Office of Education AV - L111 .A6 1931, no. 21 PY - 1932/// CY - Washington PB - U.S. Dept. of the Interior, Office of Education, For sale by the Supt. of Docs., U.S. G.P.O. KW - Special education teachers KW - Training of KW - United States KW - Special education N1 - Includes bibliographical references ER -