X - MPAA Movie Rating for Adults Only by

The MPAA (Motion Picture Association of America) rating system one sheet circa 1986 includes PG-13 and NC-17

M.P.A.A Movie Rating System 1986 27x 41 Original U.S Movie Ratings Poster

MOVIE RATINGS-DO THEY SERVE HOLLYWOOD OR THE PUBLIC - The New York Times

The Brief and Scandalous History of the X Rating

The movie ratings G, PG, PG-13, and R are obvious in why they are different. But what are the difference between NC-17, X, and Unrated? - Quora

Rating Bumper - Rated X (Adults Only)

Red, White and Royal Blue' Being Rated R for Gay Sex Is Homophobic

X (2022) - IMDb

How to Understand Movie Ratings: 5 Steps (with Pictures) - wikiHow

X (MPAA), Rating System Wiki

Dirty movies: A Top X List - DenOfCinema

The Best X-Rated Movies in History

Motion Picture Association Film Rating System: Most Up-to-Date Encyclopedia, News & Reviews

Today's MPAA Ratings Hold Little Value for Parents

All of these films were rated - Full Cast And Crew Podcast