1. Bell, J.: 1987, Speakable and Unspeakable in Quantum Mechanics, Cambridge: Cambridge University Press.
2. Bell, J.: 1989, ‘Towards an Exact Quantum Mechanics’, in S. Deser & R. Finkelstein (eds), Themes in Contemporary Physics II, Essays in Honour of Julian Schwinger’s 70th Birthday, Singapore: World Scientific, pp. 1–26.
3. Butterfield, J.: 1989, ‘A Spacetime Approach to the Bell Inequality’, in J. Cushing & E. McMullin (eds), pp. 114–144.
4. Butterfield, J.: 1990, ‘Causal Independence in EPR Arguments’, in A. Fine, M. Forbes & L. Wessels (eds), Proceedings of Philosophy of Science Association 1990, volume 1, pp. 213–225.
5. Butterfield, J.: 1992, ‘Bell’s Theorem: What it Takes’, British Journal for the Philosophy of Science, 43, pp. 41–83.