TY - BOOK AU - Viles,Nelson Eric TI - Improving school custodial service T2 - United States. Office of Education. Bulletin, AV - L111 .A6 1949, no. 13 U1 - 371.62 PY - 1949///] CY - Washington PB - Federal Security Agency, Office of Education KW - School custodians N1 - 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; Bibliography: p. 32 ER -