William Dean' Theory of Urban Growth: Chicago's Commerce and Industry, 1854–1871
介绍了威廉·迪恩的城市增长理论，认为商业集聚由贸易路线、位置和节点性决定，工业集聚紧随其后，并用1854-1871年芝加哥的数据验证该理论。
William H. Dean, Jr. argued the development of a commercial agglomeration at any site is a function of three interrelated variables: trade routes, position, and nodality. Industrial agglomerations follow commercial ones. Dean's theory is discussed and applied to Chicago's growth before the Great Fire of 1871. The initial development of Chicago's transportation infrastructure is described. Data for the balance of receipts and shipments of selected items and growth rates for receipts and shipments from 1854 to 1871 are presented.