Database searching is an iterative process. This means that you will repeat it several times because as you search you are learning about your topic, including keywords and concepts. As your explore WNE's databases, try the following:
Check with your professor or a librarian to make sure your search has been comprehensive
As you research, ask questions about currently published literature:
Take advantage of the help of a research librarian. You can schedule a meeting with a WNE librarian at https://wne.libcal.com/appointments.