Try the following databases for finding academic journal articles and other scholarly analysis about your topics:
Multi-disciplinary database providing information for nearly every area of academic study. Includes an enormous collection of the most valuable peer-reviewed full text journals, as well as additional journals, magazines, newspapers and books. Multidisciplinary subjects including: social sciences, humanities, education, computer sciences, engineering, physics, chemistry, language & linguistics, arts & literature, medicine, ethnic studies. 1965- present.
Google Scholar will link you directly to articles the UMD Libraries subscribe to, making it easier to find full-text content. Here's how to turn on this feature:
NOTE: Google Scholar will also show you full-text links if you have created a profile and are signed in, or if you're on a campus computer.