Tertiary Sources can help you find primary and secondary sources. These sources provide overviews by synthesizing information gathered from other resources. Tertiary sources are typically the last to be published in the information cycle. Because it has been filtered through many reviewers, it tends to consist of highly reliable and accurate information, plus contain broad perspectives of topics.
Use tertiary sources for a general overview of your topic and for background information for your research.
Some examples of tertiary sources include: