Here are some examples of the kinds of book subject-headings that might be helpful:
Search for articles from scholarly journals in all areas of research
Search for journal articles, books, reports and conference proceedings for many subjects
Search a collection of important scholarly journals representing a range of disciplines.
Search for journal articles in political science and public policy
Search for journal articles, books, and dissertations covering literature, language and linguistics, folklore, literary theory & criticism, and other aspects of literary studies
The library subscribes to hundreds of specialized databases on subject areas ranging from engineering to art history. Here's how to begin using subject-specific databases: