Elden, S.2001: Mapping the present: Heidegger, Foucault and the project of a spatial history. London: Continuum .
2.
Hannah, M.2000: Governmentality and the mastery of territory in nineteenth-century America. Cambridge: Cambridge University Press.
3.
Philo, C.2004: A geographical history of institutional provision for the insane from medieval times to the 1860s in England and Wales: the space reserved for insanity. Lewiston, NY: Edwin Mellen Press.