Worrall, John (2008) Does Science Discredit Religion? In: Contemporary Debates in the Philosophy of Religion. Blackwell.

Worrall, John (2005) Confirmation: two types, both logical not historical. [Discussion or working paper] (Unpublished)

Worrall, John (2003) Adhocness and Content-Increase: is there life after Grünbaum? In: Adolfest Conference, April 2003, Pittsburgh. (Unpublished)