Simplified signs. Volume 2, Simplified sign lexicon, descriptions, and memory aids : a manual sign-communication system for special populations / John D. Bonvillian [and three others] ; illustrated by Val Nelson-Metlay.
Material type:
Includes index.
Description based on print version record.
Electronic reproduction. Ann Arbor, MI : ProQuest, 2018. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries.
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