In-service education for teachers, supervisors, and administrators.
Edited by Nelson B. Henry.
- Chicago NSSE; distributed by the University of Chicago Press 1957.
- xiv, 376 p. 24 cm.
- Yearbook of the National Society for the Study of Education, 56th, pt. 1 .
- National Society for the Study of Education. Yearbook 56th, pt. 1. .