The Development of Speech Sounds in Children Chart
There is a range of ages for which the development of speech sounds is considered within the normal range. This chart is used by GCS as a guideline when considering the articulation needs of children.
American Speech Language and Hearing Association
The American Speech Language and Hearing Association (ASHA) is a national level speech therapy organization. They provide resources for the public as well as professionals.
Mommy Speech Therapy
A helpful resource for practice of speech sounds.