Databases can contain a combination of full text articles (ready to read online) and/or citation information about articles, book chapters, books, or other resources.
Evaluating your results
When searching, skimming items you come across in your results can be a key way to evaluate whether they will be a useful source for your writing. See UNC Chapel Hill's guide to skimming for tips.
Try a keyword search. Once you find a book that is relevant to your topic, use the subject headings of that book to help you find "more like this".
Keyword search:
Subject headings:
Not finding enough, or an item checked out? Search WorldCat and request a copy.