References
- McLean , Margaret Prendergast . 1930 . Good American Speech, , rev. ed.
- Pray , Sophie A. and others . 1934 . Graded Objectives for Teaching Good American Speech
- Raubicheck , Letitia . 1934 . Improving Your Speech
- Raubicheck , Letitia . 1937 . How to Teach Good Speech in the Elementary Schools
- Mulgrave , Dorothy I. 1936 . Speech for the Classroom Teacher
- Daniels , Fannie E. 1935 . Good Speech Primer