المؤلفون: Agorsah, E. Kofi, Atherton, John H., Connah, Graham, Goucher, Candice L., Halbar, B. G., Kense, François J., Lehmann, Arthur C., McIntosh, Roderick J., Ottenberg, Simon, Shinnie, P. L.

المصدر: Current Anthropology, 1985 Feb 01. 26(1), 103-115.

URL الوصول: https://www.jstor.org/stable/2743001

المؤلفون: Brooks, Robert L., Bettinger, Robert L, Borrero, Luis Alberto, Bronitsky, Gordon, Brown, Kenneth L., Carlson, David L., Clegg, John, Ihm, Peter, Marchese, Ronald T., Pokotvlo, David L.

المصدر: Current Anthropology, 1982 Feb 01. 23(1), 67-75.

URL الوصول: https://www.jstor.org/stable/2742552

المؤلفون: Stone, Glenn Davis

المصدر: Current Anthropology, 1994 Jun 01. 35(3), 317-324.

URL الوصول: https://www.jstor.org/stable/2744211

المؤلفون: Phillipson, David W.

المصدر: Current Anthropology, 1986 Dec 01. 27(5), 525-527.

URL الوصول: https://www.jstor.org/stable/2742868