ABSTRACT
For several years, we have been studying sign language morphology from the perspective o f an observation that has surfaced with regularity over the short history o f sign language linguistics: that sign languages are like creoles, in both their genesis and their structure (Bickerton 1977; Fischer 1978; Feldman, Goldin-Meadow, & Gleitman, 1978; Gee & Goodhart 1985,1988). The
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