Homogeneous grouping as a policy in the elementary schools in New York City
Subtitle: by Rufus M. Hartill.
Series: Contributions to education -- no. 690.
Publisher: Bureau of Publications, Teachers College, Columbia University; AMS Press
Place of publication: New York; [New York
Number of pages: 63
Subjects: Ability grouping in education
Notes: Reprint of the 1936 ed., issued in series: Teachers College, Columbia University. Contributions to education, no. 690.

Originally presented as the author's thesis, Columbia.

Bibliography: p. 42-44.