01083cam a22002771 4500 hew58000012 DLC 20260227111509.0 760715s1958 xx 000 0 eng hew58000012 (OCoLC)2313229 DLC ArLUA OCoLC DLC premarc L111 .A6 1958, no. 6 LB1623 .W69 373.23 Wright, Grace Stevens. Block-time classes and the core program in the junior high school. [Washington] U.S. Dept. of Health, Education, and Welfare, Office of Education [1958] ix, 70 p. illus., tables. 24 cm. U.S. Office of Education. Bulletin 1958, no. 6 Copy 1 of L111.A6 with: Retention and withdrawal of college students / Robert Earl Iffert. Washington : Govt. Print. Off., 1957. Bound together subsequent to publication. DLC Junior high schools Curricula. Education Experimental methods. Core program in the junior high school. 34178 34178