01042cam a22002771 4500 e 49000055 DLC 20260227111234.0 840614s1949 dcu b f000 0 eng c e 49000055 (OCoLC)10841166 U.S. Office of Education. Library MnBemS DLC premarc L111 .A6 1949, no. 13 LB3235 .V52 371.62 Viles, Nelson Eric, 1891- Improving school custodial service. Washington Federal Security Agency, Office of Education [1949] v, 32 p. 23 cm. United States. Office of Education. Bulletin, 1949, no. 13 Copies 1 and 2 of L111.A6 with: Petersburg builds a health program / Effie G. Bathurst. Washington : Govt. Print. Off., 1949. Bound together subsequent to publication. DLC Bibliography: p. 32. School custodians. Bulletin (United States. Office of Education) ; 1949, no. 13. 22115 22115