（64）D. Waley and T. Dean, The Italian City-Republics, p. 109.
    （65）E. Occhipinti, L‘ Italia dei comuni, secoli Ⅺ-ⅩⅢ， pp. 134-137, 141.
    （66）D. Norman, ed., Siena, Florence and Padua: Art, Society and Religion 1280-1400, vol. 2, p. 53.
    （67）D. Waley and T. Dean, The Italian City-Republics, pp. 108-109.
    （68）G. Andenna, “La simbologia del potere nelle città comunali lombarde,” in Le forme della propaganda politica nel Due e nel Trecento, Rome: de Rome,1994, p. 393.
    （69）L. B. Alberti, On the Art of Building in Ten Books, Cambridge, Mass.: The MIT Press, 1988, pp. 121-122.
    （70）转引自J. Woods-Marsden, “Image of Castle in the Renaissance,” Art Journal, vol.48, no. 2, 1989, p. 130.
    （71）马基雅维里：《君主论》，潘汉典译，北京：商务印书馆，1985年，第102页。
    （72）Louis Green, Castruccio Castracani, Oxford: Clarendon Press, 1986, pp. 105-111.
    （73）John Najemy, “Florentine Politics and Urban Spaces,” p. 35.
    （74）John Law, “The Cittadella of Verona,” in D. S. Chambers et al. , eds. , War, Culture and Society in Renaissance Venice, London: Hambledon Continuum, 1993, pp. 10-11.
    （75）D. Abulafia, ed., Italy in the Central Middle Ages: 1000-1300, pp. 123-124.
    （76）N. Rubinstein, “Fortified Enclosures in Italian Cities under Signori,” in D. S. Chambers et al. , eds. , War, Culture and Society in Renaissance Venice, p. 5.
    （77）John Paoletti and Gary Radke, Art in Renaissance Italy, New Jersey: Prentice Hall, 2002, pp. 163-164.
    （78）Patrick Boucheron, Le Pouvoir de Btir: Urbanisme et Politique édilitaire à Milan（ⅪⅤ[e]-ⅩⅤ[e] siècles）， Rome: de Rome, 1998, p. 547.
    （79）L. Martines, Power and Imagination: City-States in Renaissance Italy, p. 222.
    （80）J. Woods-Marsden, “Image of Castle in the Renaissance,” pp. 133-134.
    （81）Evelyn Welch, Art and Authority in Renaissance Milan, New Haven: Yale University Press, 1995, pp. 177, 308.
    （82）J. Woods-Marsden, “Image of Castle in the Renaissance,” p. 130.
    （83）Charles Rosenberg, The Este Monuments and Urban Development in Renaissance Ferrara, Cambridge: Cambridge University Press, 1997, pp. 3-4.
    （84）Charles Rosenberg, ed. , The Court Cities of Northern Italy, Cambridge: Cambridge University Press, 2010, pp. 208-210.
    （85）Wolfgang Braunfels, Urban Design in Western Europe, Chicago: The University of Chicago Press, 1988, pp. 67-68.
    （86）R. Starn and L. Partridge, Arts of Power: Three Halls of State in Italy, 1300-1600, Berkeley: University of California Press, 1992, p. 186.
    （87）Leon Satkowski, Giorgio Vasari: Architect and Courtier, Princeton: Princeton University Press, 1994, pp. 28-44:.
    （88）Leon Satkowski, Giorgio Vasari: Architect and Courtier, pp. 56-59.
    （89）Filarete, Filarete’s Treatise on Architecture, vol.1, trans. J. Spencer, New Haven: Yale University Press, 1965, pp. 45-46.
    （90）Jacob Burckhardt, The Civilization of the Renaissance in Italy, London: Penguin, 1990, p. 25.
    （91）N. Rubinstein, “Fortified Enclosures in Italian Cities under Signori,” p. 6.
    （92）John Hale, “The End of Florentine Liberty: The Fortezza da Basso,” in N. Rubinstein, ed., Florentine Studies, London: Faber & Faber, 1968, pp. 501-532.
    （93）N. Rubinstein, ed., Florentine Studies, p. 503.
    （94）N. Rubinstein, ed., Florentine Studies, p. 504.
    （95）关于阿尔贝蒂的共和主义情怀，参见Gaspar Pearson, Humanism and the Urban World, University Park: The Pennsylvania State University Press, 2011, pp. 93-98.
    （96）L. B. Alberti, On the Art of Building in Ten Books, pp. 130-131.
    （97）L. B. Alberti, On the Art of Building in Ten Books, p. 129.
    （98）Robin Kirkpatrick, The European Renaissance, 1400-1600, London: Longman, 2002, p. 32.
    （99）L. B. Alberti, On the Art of Building in Ten Books, pp. 121-122.
    （100）L. B. Alberti, On the Art of Building in Ten Books, p. 123.