Research and investigation reported by city school systems, 1935-1936
By: by Ruth A. Gray
Series: Circular -- no. 161; Circular (United States. Office of Education) -- no. 161
Publisher: U.S. Dept. of the Interior, Office of Education
Published: 1936
Place of publication: Washington, D.C
Language: eng
Number of pages: 24
Subjects: School districts; Evaluation
Notes: Cover title.

"July 1936."