The Free City of Cracow[a] was a city state created by the Congress of Vienna in 1815, which included the Polish city of Cracow and its surrounding land.
Degan, Vladimir Đuro (1997), Developments in International Law: Sources of Internat'l, Developments in International Law Series, vol. 27 (illustrated ed.), Martinus Nijhoff Publishers, p. 378, ISBN9789041104212
Feuchtwanger, E. J. (1970), Prussia: Myth and Reality, Chicago: Henry Regnery Company, p. 262, ISBN0-85496-108-9
Hertslet, Edward (1875), "No.15", The map of Europe by treaty; showing the various political and territorial changes which have taken place since the general peace of 1814, London: Butterworths. (No. 12), p. 127