Write down keywords that you identified in your reading that reflect your focus.
Keywords are words that define or describe your topic.
Searching by keywords is important because you can't search the databases with a sentence.
Most of the time you won't know a specific author, title, or established subject term, so you will need to describe your topic with words or short phrases.
Find keywords by reading your encyclopedia article and highlighting the words that best describe your topic. Here's an example.
