00930cam a22002531a 4500 e 49000057 DLC 20260227111234.0 821025s1949 dcu 000 0 eng c e 49000057 (OCoLC)8889179 U.S. Office of Education. Library. OKentU DLC premarc L111 .A72 no. 311 LB3013 .T64 Tompkins, Ellsworth. What teachers say about class size / by Ellsworth Tompkins. [Washington] : Federal Security Agency, Office of Education, [1949] vi, 45 p. ; 28 cm. United States. Office of Education. Circular ; no. 311 L111.A72 with: How large are our public high schools? / Walter H. Gaumnitz. Washington : U.S. Govt. Print. Off., 1949. Bound subsequent to publication. DLC Class size. High schools. 22116 22116