In the library catalog, books, videos and other materials are assigned Library of Congress (LC) subject headings based on their content. Here is a sample list of film-related subject headings, some of which pertain equally to books and videos (visual materials). When you view catalog records in Library Search, these subject headings display as active links pointing to other items with the same subject.
This is not an exhaustive list of subject headings pertinent to media studies, but it should give you a sense of commonly used vocabulary and how subject headings are structured.
Sample Subject Headings
African American television producers and directors
African Americans in television broadcasting
African Americans on television
Digital media--Political aspects
Gays in popular culture (books with the subject "popular culture" frequently encompass mass media)
Information technology--Social aspects
Sexual minorities on television
Streaming video (Link searches books only.)
Television advertising and children
Television broadcasting--Social aspects
Television broadcasting--Social aspects--United States
Television broadcasting--United States
Television broadcasting--United States--History
Television broadcasting of news--United States
Television soap operas--Latin America (use for telenovelas)
Television viewers--United States
Women television producers and directors--United States