Below are several seminal papers in cognitive archaeology.
Gowlett, J. A. J. (1979). Complexities of cultural evidence in the Lower and Middle Pleistocene. Nature, 278, 14-17.
Holloway, R. L. (1969). Culture: A human domain. Current Anthropology, 10, 395-412.
Issac, G. (1976). Stages of cultural elaboration in the Pleistocene: Possible archaeological indicators of the development of language capabilities. In S. R. Harnad, H. D. Steklis, & J. Lancaster (Eds.), Annals of the New York Academy of Sciences: Origins and Evolution of Language and Speech, 280(1), 275-288.
Parker, S. T., & Gibson, K. R. (1979). A developmental model for the evolution of language and intelligence in early hominids. The Behavioral and Brain Sciences, 2, 367-408.
Wynn, T. (1979). The intelligence of later Acheulean hominids. Man, 14, 371-391.