492 foreigners and barbarians: further reading Owen Lattimore and Eleanor Lattimore, eds., Silks, Spices, and Empire: Asia Seen through the Eyes of Its Discoverers (New York: Delacorte Press, 1968) Peter S Wells, The Barbarians Speak: How the Conquered Peoples Shaped Roman Europe (Princeton: Princeton University Press, 1999) Peter S Wells, Celts, Germans and Scythians: Archaeology and Identity in Iron Age Europe (London: Duckworth, 2001) David Whitehead, The Ideology of the Athenian Metic (Cambridge, U.K.: Cambridge Philological Society, 1977)