Try a keyword search using terms such as "queer theory" or "new historicism" and then try to locate the appropriate subject headings to find a precise list of books. For example:
Books will give a broad overview of the theory, journal articles will typically apply a theoretical approach to a specific work or author. Start by gaining a better understanding of the theory before searching for articles.
The Cambridge Companions to Literature series has a number of excellent titles exploring various theories.
Are you interested in finding literary criticism that applies a particular literary theory to an author or work? Use the MLA Bibliography and use the subject headings options: