1. Regulators and turn-taking in American Sign Language discourse;Baker,1975
2. Attention structure and the evolution of human psychological characteristics;Barkow,1976
3. The acquisition of performatives prior to speech;Bates;Merrill-Palmer Q.,1975
4. Animal Tool Behavior;Beck,1980
5. Two faces of sign: Iconic and abstract;Bellugi;Ann. N. Y. Acad. Sci.,1976