The Oxford Biblical Studies Online is a comprehensive resource for the study of the Bible and biblical history of nineteen reference works published by Oxford University Press.
1. Begin by looking at the resources listed in the bibliographies found in the tertiary sources you are using. The resources in these bibliographies are Secondary Sources.
3. Stop by the Research Desk and ask a Librarian.
The best database to use for peer-reviewed journal articles in biblical studies is ATLA Religion Database with ATLASerials