1. Some of the principal contributors to the theory have been: William Alonso,Location and Land Use (Cambridge, Mass: Harvard University Press, 1964); Richard F. Muth,Cities and Housing (Chicago: University of Chicago Press, 1969);idem, “Economic Change and Rural-Urban Land Conversions,”Econometrica, XXIX (January, 1961), pp. 1–23; and Lowdon Wingo, Jr.,Transportation and Urban Land (Washington, D.C.: Resources for the Future, Inc., 1961).
2. Johann Heinrich von Thünen,Von Thünen's Isolated State, tr. Carla N. Wartenberg, ed. Peter Hall (Edinburgh: Pergamon Press, 1966).
3. Alfred Weber,Theory of the Location of Industries, tr. Carl J. Friedrich (Chicago: University of Chicago Press, 1929).
4. Chicago Board of Education,Census of the City of Chicago, report submitted to the Board, October 15, 1872.
5. Chicago Zoning Commission,Tentative Report and a Proposed Zoning Ordinance for the City of Chicago, January 5, 1923.