A great way to find established monographs is to look for clusters of books published in series by academic and scholarly publishers. Here's a brief list of some of the best series in literary critical studies that take up broad, general topics. Many of these series are indexed in the MLA International Bibliography.
These are the latest titles in Popular Culture & Media published by Harvard University Press
If you are looking for books and don't know where to begin, you can search within these call number ranges. Refer to the Library of Congress Classification Outline for more information.
Periodically, Carmichael Librarians will recommend influential books to read. Think of this section as a "Staff Picks" list in your favorite independent bookstore