You can search GEORGE & GULLiver by keyword of subject heading for books on this topic.Here are some subject headings you can use.
If you are interested in books on end-of-life issues in bioethics, here are some subject headings you can use.
Check law journal indexes since over half of all journals are not on Lexis or Westlaw.
When you search in law journal indexes, you will have to take another step to get the full-text. Check GULLiver to see if we have electronic access to the journal or if the journal issue is on the shelf.