Secondary and background sources on a topic in literature, film, music, art, and so on frequently discuss specific primary sources. By first identifying secondary and background sources on your topic, you can not only identify primary sources, but also find primary sources central to the scholarly discussion of your topic.
Use the Advanced Search feature in Tripod to search subject headings (for genre type: e.g., fiction, drama, etc.) paired with a topic. Use this guide to identify the relevant subject terms. Some examples include:
One way to find anthologies is to use the Advanced Search feature to combine a keyword search (e.g., for violence) with the words Anthology OR Reader in the title field—here are the results for this sample search. (You'll get a lot of critical discussions of your topic, but you also might find collections of primary documents.)