Sign Language Resources
Kaspar, T.S., & Kaufman, N. (2006). K&K Sign and Say: shaping verbal language for individuals with Autism and other developmental challenges. Gaylord, MI: Northern Speech Services.
Michigan State University (2000). Communication Technology Laboratory (Website). http://commtechlab.msu.edu/sites/aslweb/browser.htm
Your Dictionary.com (1996-2008) Website http://www.yourdictionary.com/languages/sign.html
Gallaudet University Press, (2002). 1000 Signs of Life.
Valli, C., Editor. (2006). The Gallaudet Dictionary of American Sign . Gallaudet University Press. ISBN 1-56368-6
Riekoff, L.L. (1987). The Joy of Signing, Second Edition. Gospel Publishing House. ISBN-10 0882435205