Gray, William S. (William Scott), 1885-1960. Gray, William S. (William Scott), 1885-1960.
The teaching of reading and writing : an international survey.
- [Paris] : Chicago : [Paris] : Chicago : UNESCO ; Scott, Foresman, UNESCO ; Scott, Foresman, [1956]
- Monographs on fundamental education ; 10 .
Includes bibliographical footnotes. Bibliographical footnotes.