Tabular summary of teacher certification requirements in the United States
By: by W. Earl Armstrong
Edition: 6th rev.
Series: Circular -- no. 233, 6th revision, July 1955; Circular (United States. Office of Education) -- no. 233, rev. 1955
Publisher: Federal Security Agency, U.S. Office of Education
Published: 1955
Place of publication: Washington, D.C
Language: eng
Subjects: Teachers; Certification
Notes: Caption title.