References
- Bellugi , U. 1972 . “ Studies in sign language ” . In Psycholinguistics and total communication: The state of the art , American Annals of the Deaf Edited by: O'Rourke , T.J.
- Dalgleish , B.W.J. 1975 . Communication preference and the social conditions of language learning in the deaf . American Annals of the Deaf , 120 : 70
- Department of Education and Science . 1968 . Education of deaf children: The possible place of fingerspelling and signing , London : Her Majesty's Stationery Office .
- Slobin , D.I. , ed. 1972 . The ontogenesis of grammar: A theoretical symposium , Bloomington : Indiana University Press .
- Stokoe , W.C. , Casterline , D.C. and Croneberg , C.G. 1965 . A dictionary of American sign language , Washington : Gaullaudet College Press .