Print books on film studies are usually found in the call number ranges of PN 1993-1999 (Library of Congress) and 791.43 (Dewey Decimal).
Search beyond MTSU: WorldCat
Using the correct subject heading/ term can help find relevant material more effectively.
Subject headings used to find books about "films" use the phrase motion pictures. See the sample headings below. You will find books if you type film history into the search box, but the results will be
Example to find books on the history of films: Enter terms into the search box
i.e. motion pictures history then choose Subject

Other suggested keywords: film, cinema, documentary [or a specific genre], Taxi Driver [or a specific film], Hitchcock [or a specific director], postmodernism [or a specific theory] etc.