The evolution of social systems : proceedings of 5th meeting of the Research Seminar in Archaeology and Related Subjects held at the Institute of Archaeology, London University on 1974 - Research Seminar in Archaeology and Related Subjects 1974 : London University); Friedmann, J.; Rowlands, M. J. (London : Duckworth, 1977)
Keywords: Social systems -- Congresses; Social evolution -- Congresses; Social change -- Congresses