Patrice de Moncan, Le Paris d’Haussmann (Paris, 2002), p. 28.

Jordan (1995), pp. 186ff.

Colin Jones, ‘Theodore Vacquer and the Archaeology of Modernity in Haussmann’s Paris’, Transactions of the Royal Historical Society, 6th series, 17 (2007), 167; Ten Years of Imperialism, p. 7; David P. Jordan, ‘Baron Haussmann and Modern Paris’, The American Scholar, 61:1 (Winter 1992), 105ff.