00937cam a22002651 4500 e 56000139 DLC 20260227111235.0 770509s1956 dcua fb f000 0 eng e 56000139 (OCoLC)2948179 DLC NhPlS DLC premarc n-us--- UA927 .A537 1956 355.232 United States. Office of Education. Civil Defense Education Project. Education for national survival; a handbook on civil defense for schools. [Prepared by John J. Hurley. Washington] U.S. Dept. of Health, Education, and Welfare, Office of Education [1956] v, 88 p. illus. 27 cm. Bibliography: p. 71-73. Civil defense United States. School management and organization United States. Handbook on civil defense for schools. 22257 22257