References
- Idol , Harriet R. 1936 . “A Strobophotographic Study of Southern Intonation” . Louisiana State University . Ph.D. dissertation,
- Bailey , Nina V. 1930 . “Pitch and Time Variations in Certain American Regional Dialects” . State University of Iowa . M.A. thesis,
- Koenig , W. , Dunn , H. K. and Lacy , L. Y. 1946 . “The Sound Spectrograph” . Journal of the Acoustical Society of America , XVIII : 19 – 49 .
- Cowan , M. 1936 . “Pitch and Intensity Characteristics of Stage Speech” . Archives of Speech , I ( Suppl. )
- Philbour , C. W. Jr. 1948 . “An Experimental Study of the Relationships Between Perception of Vocal Pitch in Connected Speech and Certain‐Measures of Vocal Frequency” . 56 State University of Iowa . Ph.D. Dissertation,
- Fairbanks , G. and Pronovost , W. 1936 . “An Experimental Study of the Pitch Characteristics of the Voice During the Expression of Emotion” . SM , VI : 87 – 104 .
- From a dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy at the State University of Iowa, 1949. The research was directed by Dr. James F. Curtis.