Of course, skimming the title or abstract of an article or book will give you an idea of what it's about. Additionally, there are a few more ways that you can quickly check a source for relevance.
1. When you're searching the library's databases, you'll notice that your keywords will usually be highlighted in your results. This will give you a clue, at a glance, to how often your topic is mentioned in each source in your search results. Here is an example from Primo, the library's "everything" search tool:
2. You can click a source title to skim its subject headings (you can even click those headings to see more relevant results!).
3. Search within an article or book's full text for keywords that describe your topic. Click to see instructions for articles here, and for library ebooks here.
4. Look for author-supplied keywords in the full text of articles. These are usually found just beneath the abstract, or somewhere nearby on the first page. See an example: