Johnson, Allen W . The evolution of human societies : from foraging group to Agrarian state / Allen W.Johnson and Timothy Earle. - 2nd ed / . - California : Stanford University Press , 2000. - x,440p. : ill.,figs.,tables ; 23cm . Includes bibliography and index ISBN: 0804740321 UKP 15.95 Subjects--Index Terms: SOCIAL EVOLUTION Dewey Class. No.: 303.4 / JOH/E