This article offers a brief overview of historical linguistics and explores the value of historical "sign" linguistics. The specific focus of the article is on the question of the extent to which the concept of "sign language families" is a legitimate and useful one. It is suggested that although lateral transmission and…

Argues that, although South African Sign Language (SASL) contains a high degree of lexical diversity, there exists an underlying common syntactic and morphological base on which all the different varieties are grounded. This common base provides a foundation on which future educational and language policy may be developed. (17 references)…