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12. To dwell among friends: personal networks in town and city Fischer, Claude S., 1948- Chicago : University of Chicago Press, 1982. SOC406
13. Captive cities: studies in the political economy of cities and regions London : John Wiley & Sons, c1977. SOC333
14. The urban question: a Marxist approach Castells, Manuel, 1942- Cambridge : MIT Press, 1977. HIST460
15. Urban networks in Ching China and Tokugawa Japan Rozman, Gilbert. Princeton, N.J. : Princeton University Press, 1973. HIST318