Learn about the historical, political, social, and cultural contexts of your authors/ works.
In the History databases, I suggest limiting to Reference sources only, to find introductory overviews.
Sort your results by info type to find background info and criticism written for a general audience:
You can use Literary Criticism in Reference books and online library databases to get started on your project.
Learn about general schools of thought
Learn about an author, genre, or era
Get an overview of critical approaches to a written text (Gale Literature - Topic & Work Overviews)
GVRL is an interdisciplinary database, so it's helpful to limit your search to Literature at Subject:
Series of Interest in GVRL:
Tips: