NBC News reports that after two years of petitioning the Library of Congress, a student group at Dartmouth College has successfully convinced administrators to stop using the terms “illegal” and “alien” in subject headings for literature about immigration and instead use the terms “unauthorized” and “non-citizen” when referring to undocumented immigrants.
https://brian-d-lerner-blog.com/tag/illegal-aliens/
https://brian-d-lerner-blog.com/tag/illegal-alien/