In the Academic Search Premier database browse the "Subject Terms" list for the word 'ethics' to see narrower and related terms that might be suitable for your research.
Comprehensive database covering over 160 subjects. It includes the full-text of over 400 newspapers, nearly 30,000 dissertations and millions of articles from scholarly journals.
A multidisciplinary database of scholarly and scientific journals that are available without cost to users and their institutions. The journal must exercise peer-review or editorial quality control to be included in the database.