School playgrounds
By: by Marie M. Ready, Assistant Specialist in Recreational Activities.
Series: United States. Office of Education. Pamphlet; no. 10. June, 1930
Publisher: U.S. Govt. Print. Off.
Published: 1930
Place of publication: [Washington
Language: eng
Number of pages: 40
Subjects: Playgrounds
Notes: "Selected bibliography": p. 40.
Caption title.
At head of title: ... United States Department of the Interior. Ray Lyman Wilbur, Secretary. Office of Education. William John Cooper, Commissioner. Washington, D.C.