Midnight Cowboy - Wikipedia

List of NC-17 rated films - Wikipedia

X (MPAA), Rating System Wiki

The X-Rated Girl & Others Lot (Film Ventures International, 1979), Lot #51399

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

History

Fast X MPA Rating Revealed for Penultimate Fast & Furious Movie

Entertainment Software Rating Association, film Censorship, dark, video Game Content Rating System, australian Classification Board, valuable, siz, content Rating, motion Association Of America Film Rating System, entertainment Software Rating Board

Judge Upholds X Rating For Almodovar Film - The New York Times

Serbis poster and trailer rated X by MTRCB

MTRCB gives 'Metamorphosis' X rating