References and website links: AAC and manual sign
www.isaac-online.org International Society for Augmentative and Alternative Communication (ISAAC)
www.isaacireland.org Irish Chapter of ISAAC
Grove, N., Dockrell, J. (2000) Multisign Combinations by Children with Intellectual Impairments: An Analysis of Language Skills, Journal of Speech, Language and Hearing Research, Vol. 43, p.309-323
Clibbins, J., Powell, G., Grove, N. (1997) Manual Signing and AAC: Issues for Research and Practice, Communication Matters, Vol. 11, No. 2
Launonen, K. (1996) Enhancing communication skills of children with Down Syndrome: Early Use of Manual Signs. In von Tetzchner, S. & Hygum Jensen, M. (Eds.), Augmentative and Alternative Communication: European Perspectives (pp. 213-31). Whurr, London
Millar, D., Light, J., Schlosser, R. (2006) The Impact of Augmentative and Alternative Communication Intervention on the Speech Production of Individuals With Developmental Disabilities: A Research Review. Journal of Speech, Language and Hearing Research, Vol. 49:9, p248-264
Powell, G. Current research findings to support the use of signs with adults and children who have intellectual and communication difficulties, http://www.makaton.org/research/powell99.htm
Romski, M.A., Sevcik, R.A. (2005) Augmentative communication and early intervention: Myths and Realities, Infants and Young Children, 18(3), pp174-185
Von Tetzchner, S., Martinsen, H., (2000) Introduction to Augmentative and Alternative Communication (2nd Edition). Whurr, London
Williams, G. (2002) Augmentative and Alternative Communication in Abudarham, S. & Hurd, A. (Eds.) Management of Communication Needs in People with Learning Disability (pp. 186-220). Whurr, London