Check your internship partner's library (if available). Search the catalogue and browse the shelves. Consult the librarian for assistance.
When given a research topic, it is always best to start with a secondary source. It will give you the background and context to frame your research. It will provide you with descriptive words of legal issues and 'Terms of Art' which you can use for your subsequent online searches. These materials will also highlight other secondary materials you should refer to in addition to case law and legislation.
The following databases provide useful tools for locating journal articles.