Footnote
- American Speech and Hearing Association, Subcommittee of Research Committee . 1961 . “Speech Improvement,” in “Public School Speech and Hearing Services,” . Journal of Speech and Hearing Disorders , July : 78 Monograph Supplement No. 8
- Pendergast , Kathleen . 1963 . “Speech Improvement and Speech Therapy in the Elementary School,” . ASHA , V March : 548 – 9 .