SOME BROAD TOPICS
Ghost stories, American -- History and criticism
American fiction -- History and critcism
Gothic fiction (Literary genre), American
Fantasy fiction, American -- History and criticism
Fantasy literature -- History and criticism
CRITICISM ON AUTHORS
Using the Library collection of Ebooks found in WorldCat Discovery catalog is an easy and efficient way to conduct basic research. But don't forget print books!
The results of a catalog search can easily be "limited" to different formats. Use the facets on the left side of results.
WorldCat Discovery: One Search Box for Books, Articles, Media, and More
For background search in WorldCat, employ basic, simple concepts. Refine your research based on results and your own reading and/or approach.
NOTE
Besides scholarly articles, the MLA Bibliography (tab above) indexes some books, essays published in book collections, and even dissertations.
Google Books digitizes books, every word. Most though provide only a preview. A sample search displays below..