1. The territorial trap: the geographical assumptions of international relations theory;Agnew;Rev. Int. Polit. Econ.,1994
2. Globalization and Sovereignty;Agnew,2009
3. Revisiting the territorial trap;Agnew;Nordia Geogr. Publ.,2015
4. AHN (Archivo Histórico Nacional), doc. 1. Letter from Spanish Plenipotentiary P. de la Escosura to Spanish government, 28 June 1855 (AHN, Ext., Tr. 138, Neg. 207, Exp. 20, doc. no 123).
5. AHN, doc. 2. Instructions given to commissioners ratified by Spanish and Portuguese governments, 15 October 1855 (AHN, Ext., Tr. 138, Neg. 207, Exp. 20).