Speech Bubbles 1 User Guide: Supporting Speech Sound Development in Children by

Speech Made Simple: Children's Early Speech and Language Development Board Book,

A Speech Guide for Teachers and Clinicians of Hearing Impaired Children, Deaf

Speech Bubbles 2 User Guide, Melissa Palmer, Pape

Vinnie the Dove Targeting the v Sound Speech Bubbles 2 by Melissa Palmer

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Children's Speech Sound Disorders

Children's Speech Sound Disorders by Caroline Bowen (Paperback, 2014)