Graphic novels, by comparison, have only existed for a few decades.You'll have an easier time finding an original thesis topic if you're working with a newer genre.
Of all the requirements of a Master's program in English, the thesis is the most daunting.
Georgetown University's English department states, "theses [should] reflect original research, analysis, and writing of considerable depth and complexity appropriate to Master's level work." Your Master's thesis in English is an argumentative literary analysis on a topic of your choice, and that argument must be thorough, insightful, and, most importantly, original.
And if your English department is resistant to the idea that a graphic novel counts as literature, respectfully disagree (nobody thought of the novel as real literature when it was brand-new either).
Many great literary works have been adapted to film.
Try searching for your topic in Jumbo Search, which simultaneously searches across all of the library's resources, including: books from the library catalog: journal articles in databases, online and in print; research guides on your topic; digital files from the Archives; and much, much more!
There are a lot of great resources on the web where you can find information about English Literature as well as online primary texts (stories, poems, plays, and novels) and recordings of literature being read aloud.
If you don't find what you are looking for or need help navigating this guide or any of the resources it contains, don't hesitate to contact the author of this guide or Ask a Librarian.
Want to learn more about the background and context of literary scholarship?
While some adaptations are straightforward, others are exercises in literary analysis in their own right, providing fascinating commentary about the texts on which they're based.
Think about the way that Coppola's Apocalypse Now uses the Vietnam war to update the concepts of civilization and violence broached in Joseph Conrad's Heart of Darkness.