in ASL-English dictionaries for Deaf children and Deaf education HamNoSys, a phonetic notational system used primarily for linguistic research SignWriting, a popular system that arranges symbols in a two-dimensional space rather than in a line si5s References Sources Adam Kendon (1988) Sign Languages of Aboriginal Australia: Cultural, Semiotic and Communication Perspectives, Cambridge University Press. Jim G. Kyle, Bencie Woll, Gloria Pullen, and Frank Maddix (1985) Sign Language: The Study of Deaf People and Their Language. Cambridge University Press. William C. Stokoe, Dorothy C. Casterline, Carl G. Croneberg (1965) A Dictionary of American Sign Language on Linguistic Principles. Washington, DC: Gallaudet College Press. David Brien, editor, (1992) Dictionary of British Sign Language/English, Faber and Faber External links Free Stokoe font Description on the SignWriting site The MUSSLAP Project Multimodal Human Speech and Sign Language Processing for Human-Machine Communication. Towards a Unicode encoding of Stokoe Notation American Sign Language Sign language notation Alphabets Writing systems introduced in 1960