00802cam a22002531 4500 hew67000155 DLC 20260227111516.0 731112s1967 dcu b f001 0 eng c hew67000155 (OCoLC)739308 U.S. Dept. of Health, Education, and Welfare. Library MWelC OCoLC DLC premarc Z5814.R4 U5 016.370/78 Educational Research Information Center (U.S.) Office of Education research reports, 1956-65, ED 002 747-ED 003 960. [Washington, U.S. Govt. Print. Off., 1967] 2 v. 20 x 27 cm. OE-12028-29. Cover title. [1] Indexes.--[2] Resumes. Education Research Bibliography. 34727 34727