Create a list of words or concepts related to your topic and use them to search WorldCat@SU. Search results will include books, media, articles and more. To find just books, use the Search Tools and limit Format to Books.
The Library of Congress subject heading for film is motion pictures. You can search using keywords like film and cinema, but you will get more specific results using the term motion pictures. Also look for names of individual directors, films, etc.
The Description in a book's record includes contents and subject headings. Click on a Subjects link to find other books on the topic.
A few terms to get your search started: