The speech sounds of 50 white and of 30 negro newborns were transcribed in the International Phonetic Alphabet. Comparisons were made between the two groups. Further comparisons were made of these two groups with older infants and with adults.
Proceedings of the Iowa Academy of Science
©1942 Iowa Academy of Science, Inc.
Chen, Han Piao
"Speech Sound Status of Newborn Negro and White Infants,"
Proceedings of the Iowa Academy of Science, 49(1), 447-447.
Available at: https://scholarworks.uni.edu/pias/vol49/iss1/86