Adlof, S. (2019). Prologue to the forum: Vocabulary across the school grades. Language, Speech and Hearing Services in Schools, 50 , 461-465. https://doi.org/10.1044/2019_LSHSS-19-00007

Levine, D., Strother-Garcia, K., Golinkoff, R.M., & Hirsh-Pasek, K. (2016). Language development in the first year of life: What deaf children might be missing before cochlear implantation. Otology & Neurotology, 37 (2), e56-e62. https://doi.org/10.1097/MAO.0000000000000908

Lieberman, M., & Lohmander, A. (2014). Observation is a valid way of assessing common variables in typical babbling and identifies infants who need further support. Acta Paediatrica, 103 (12), 1251-1257. https://doi.org/10.1111/apa.12776

Reilly, S., Eadie, P., Bavin, E.L., Wake, M., Prior, M., Williams, J., Bretherton, L., Barrett, Y., & Ukoumunne, O.C. (2006). Growth of infant communication between 8 and 12 months: A population study. Journal of Paediatrics and Child Health, 42 , 764-770. https://doi.org/10.1111/j.1440-1754.2006.00974.x