About the film
Change the Subject is a 2019 documentary film directed by Jill Baron and Sawyer Broadley. The film documents Dartmouth College students lobbying the Library of Congress to replace the term "Illegal aliens" with "Undocumented immigrants" in the Library of Congress Subject Headings. While ultimately unsuccessful, the efforts of the students have inspired individual libraries to replace the term.
From the film's Wikipedia article (CC BY-SA 4.0).