9780195100570 | Oxford Univ Pr on Demand, August 14, 1997, cover price $100.00 | About this edition: The relationship of language to cognition, especially in development, is an issue that has occupied philosophers, psychologists, and linguists for centuries.

9780195100587 | Oxford Univ Pr on Demand, August 14, 1997, cover price $41.95 | About this edition: The relationship of language to cognition, especially in development, is an issue that has occupied philosophers, psychologists, and linguists for centuries.

9780226251516 | Univ of Chicago Pr, June 25, 1991, cover price $150.00 | About this edition: The recent recognition of sign languages as legitimate human languages has opened up new and unique ways for both theoretical and applied psycholinguistics and language acquisition have begun to demonstrate the universality of language acquisition, comprehension, and production processes across a wide variety of modes of communication.

9780226251523 | Univ of Chicago Pr, June 25, 1991, cover price $54.00 | About this edition: The recent recognition of sign languages as legitimate human languages has opened up new and unique ways for both theoretical and applied psycholinguistics and language acquisition have begun to demonstrate the universality of language acquisition, comprehension, and production processes across a wide variety of modes of communication.

9780226251493 | Univ of Chicago Pr, December 20, 1990, cover price $113.00 | About this edition: Only recently has linguistic research recognized sign languages as legitimate human languages with properties analogous to those cataloged for French or Navajo, for example.

9780226251509 | Univ of Chicago Pr, November 19, 1990, cover price $59.00 | About this edition: Only recently has linguistic research recognized sign languages as legitimate human languages with properties analogous to those cataloged for French or Navajo, for example.