Author response

de Ubaldis Baldus [ Baldus Perusini ] (1550) In usus feudorum, Lugduni.

Brown W (2010) Walled States, Waning Sovereignty. New York: Zone Books.

Gottmann J (1973) The Significance of Territory. Charlottesville, VA: University Press of Virginia.

Gregory D (2004) The Colonial Present: Afghanistan, Palestine, Iraq. Oxford: Blackwell.

Heller-Roazen D (2009) The Enemy of All: Piracy and the Law of Nations. New York: Zone Books.

Lefebvre H (2009) State, Space, World: Selected Writings., edited by Brenner N Elden S , translated by Moore G Brenner N Elden S . Minneapolis, MN: University of Minnesota Press.

Leibniz G (1678) Extrait d’une Lettre a l’Auteur du Journal des Sçavans. In: Hannover Leibniz-Archiv (ed) Sämliche Schriften und Briefe. Darmstadt: Otto Reichl, 1923-, Series 4, Vol. II.

Marx K (1975 [1845]) Concerning Feuerbach. In Livingstone R and Benton G (trans.) Early Writings . Harmondsworth: Penguin, 421–423.

Sloterdijk P (2005) Im Weltinnerarum des Kapitals: Für eine philosophische Theorie der Globalisierung. Frankfurt am Main: Suhrkamp.