1. Abrams, Dominic and Hogg, Michael A. (eds) (1990) Social Identity Theory, Brighton: Harvester Wheatsheaf.
2. Abu-Lughod, J.L. (1989) Before European Hegemony: The World System AD 1250-1350, New York: Oxford University Press.
3. Adler, Emanuel and Barnett, Michael (eds) (1998) Security Communities, Cambridge: Cambridge University Press.
4. Adonis, Andrew (1991) 'Subsidiarity: theory of a new federalism?', in Preston King and Andrea Bosco (eds), A Constitution for Europe: A Comparative Study of Federal Constitutions and Plans for the United States of Europe, London: Lothian Foundation Press, pp. 63-73.
5. Alien, David (1982) 'Political cooperation and the Euro-Arab dialogue', in David Allen, Reinhardt Rummel and Wolfgang Wessels (eds), European Political Cooperation: Towards a Foreign Policy for Western Europe, London: Butterworth.