1. The Philosophy of Mind: Wolfson College Lectures 1974 1975 Clarendon Press Oxford G. E. M. Anscombe S. Guttenplan The First Person 22 36
2. Ball D.(2010) “Can There Be Indexical Thoughts?” Draft www.st-andrews.ac.uk/~db71/ball_indexical_thoughts.pdf.
3. Indexicality, Transparency, and Mental Files;Ball D.;Inquiry,2015
4. Understanding I
5. Minimal Semantics