Some Web Resources:

M. Aydede’s resources on pain: http://www.philosophy.ubc.ca/faculty/aydede/pain/

The SEP article on pain: http://plato.stanford.edu/entries/pain/

The SEP article on personal identity: http://plato.stanford.edu/entries/identity-personal/

The SEP article on personal identity and ethics: http://plato.stanford.edu/entries/identity-ethics/

Bibliography—philosophy of pain: http://www.philosophy.ubc.ca/faculty/aydede/pain/

International Association for the study of Pain (IASP): http://www.iasp-pain.org//AM/Template.cfm?Section=Home

American Pain Society—Journal of Pain: http://www.ampainsoc.org/pub/journal/

Bibliography and texts: self/person/personal identity: http://www.philosophy.ucf.edu/pi/

Forum on Personal Identity: http://www.ibiblio.org/jstrout/identity/

Philosophy Talk: Personal Identity: http://www.philosophytalk.org/pastShows/PersonalIdentity.htm

Personal Identity: Challenges of ethics and neurosciences: http://www.bioethicsinstitute.org/web/page/531/sectionid/377/pagelevel/4/interior.asp

And more...