The preparation and use of source units
By: [by] Mildred L. Biddick.
Series: Progressive education association publications
Publisher: Progressive Education Association
Published: 1940
Place of publication: New York
Language: eng
Number of pages: 125
Subjects: Teaching
Notes: Introduction signed by C. L. Cushman.

A source unit of recreation, with a separate table of contents: p. 25-116.