01018cam a22002291i 4500 e 52000038 DLC 20260227111234.0 800818s1952 xx 000 0 eng c e 52000038 (OCoLC)6628841 U.S. Off. of Ed. PLhS DLC premarc L111 .A6 1952, no. 9 Martin, William Edgar, 1905- The teaching of general biology in the public high schools of the United States : an inquiry into offerings, enrollments, course organization, facilities, equipment and expenditures, 1949-50. [Washington] : Federal Security Agency, Office of Education [1952] x, 46 p. : tables. ; 23 cm. [U.S.] Office of Education. Bulletin, 1952, no 9 Copies 1 and 2 of L111.A6 with: Know your school law / Ward W. Keesecker. Washington : Govt. Print. Off., 1952. Bound together subsequent to publication. DLC Biology Study and teaching. 22178 22178