List of educational research studies in city school systems, 1931-1932
By: by Ruth A. Gray
Series: Circular -- no. 72; Circular (United States. Office of Education) -- no. 72
Publisher: United States Dept. of the Interior, Office of Education
Published: 1933
Place of publication: Washington, D.C
Language: eng
Subjects: Education -- Research -- United States -- Bibliography; School city, state, etc. -- Bibliography
Genres: Bibliography
Notes: Cover title

"January, 1933."