• Sign language - Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Sign_Language Groups of deaf people have used sign languages throughout history. One of the earliest written records of a sign language is from the fifth century BC, in Plato's ...
  • ASL American Sign Language

    www.lifeprint.com An American sign language resource site with free ASL lesson plans for teachers and self-study students and a dictionary.
  • Sign Language • ASL Dictionary | HandSpeak

    www.handspeak.com Sign language one-stop resource site: free ASL dictionary, lessons, fingerspelling, phrases, Deaf culture, baby signing, and more by native ASL instructor.
    • American Sign Language

      www.nidcd.nih.gov/health/hearing/pages/asl.aspx American Sign Language ... Sign languages are based on the idea that vision is the most useful tool a deaf person has to communicate and receive information.
    • Signing Savvy | ASL Sign Language Video Dictionary

      www.signingsavvy.com Signing Savvy is a sign language dictionary containing several thousand high resolution videos of American Sign Language (ASL) signs, fingerspelled words, ...
    • Language and Linguistics: Sign Language | NSF - National ...

      www.nsf.gov/news/special_reports/linguistics/sign.jsp ... sign languages demonstrate at least two important properties of language. All languages share certain characteristics; for example, a hierarchy of morphemes ...