Teaching elementary science; suggestions for classroom teachers - Blough, Glenn Orlando; Blackwood, Paul Everett, 1913- ([Washington] Federal Security Agency, U.S. Office of Education, 1948)
Copies 1 and 2 of L111.A6 1948, no. 4 with: Education in Haiti / Mercer Cook. Washington : Govt. Print. Off., 1948. Bound together subsequent to publication.
"Selected bibliography": p. 36-40.
Keywords: Science -- Study and teaching -- Elementary schools