Scholarly/peer-reviewed journals are frequently required for academic projects. Many databases allow you to limit your search to these journals.
Some other journals and magazines aren't scholarly/peer reviewed but are generally respected and are acceptable for this paper. However, there is no way to limit your searches to only these types of sources.
Here are just a few of these sources that provide credible news, commentary, interviews and/or informed treatment of issues. These sources have a range of political and editorial biases, so when in doubt, always ask your professor if a particular source is acceptable for your assignment.
Books & Culture
Christian Science Monitor
Chronicle of Higher Education
These EBSCO databases contain both peer-reviewed and popular sources. When you click on one of these topical areas, you will get a list of databases. Select ALL and Continue.
Search for articles at Good Library: