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 .
- Bulletin (United States. Office of Education) ; 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.