01225cam a22002651a 4500 e 38000110 DLC 20260227111227.0 860716s1938 dcu f000 0 eng c e 38000110 (OCoLC)13878867 U.S. Off. of Educ. Library ABAU ABAU DLC premarc L111 .A6 1937, no. 28 LB1607 .J525 Jessen, Carl A. (Carl Arthur), 1887- Needed research in secondary education / by Carl A. Jessen. Washington : U.S. Dept. of the Interior, Office of Education : For sale by the Supt. of Docs., U.S. G.P.O., 1938. 69 p. ; 23 cm. Bulletin / United States Department of the Interior, Office of Education ; 1937, no. 28 Copies 1 and 2 of L111.A6 with: Opportunities for the preparation of teachers of exceptional children / Elise H. Martens. Washington : U. S. Govt. Print. Off., 1938. Bound together subsequent to publication. DLC Includes bibliographical references. Education, Secondary Research United States. Bulletin (United States. Office of Education : 1929b) ; 1937, no. 28 21582 21582