X-Rated Movies: 28 Provocative Films That Challenged the MPAA – IndieWire

X rating - Wikipedia

The Brief and Scandalous History of the X Rating

Adult rating, Rating System Wiki

MPAA X18 Rated Logo by JamesMoulton1988 on DeviantArt

This Film Is Not Yet Rated (Movie 2006): MPAA Gets an 'F

The Best X-Rated and NC-17-Rated Movies in History

The X Factor Hat Rating System

Canyon Rating System - Road Trip Ryan

TIL the 1983 film Scarface was originally given an X rating three times in a row by the MPAA. On the fourth appeal, the film was finally given an R rating, but

DESADE RATED X Film By Peter Coukis : Peter Coukis : Free Download, Borrow, and Streaming : Internet Archive