| Bednarczyk,  A.M. | 1994 | Guidelines for the Adaptation of Preschool Environments to Integrate Deaf, Hard of Hearing, and Hearing Children |
| Levine,  E. S. | 1981 | The Ecology of Early Deafness: Guides to Fashioning Environments and Psychological Assessments |
| Walker,  J. | 1999 | CAL and acoustic environments for deaf children |