Midnight Cowboy at 50: How the Dustin Hoffman and Jon Voight flim defied an X Rating to win the Best Picture Oscar

cinema history - Why would a movie that appears pornographic via it's rating (X) receive an Academy Award? - Movies & TV Stack Exchange

A History of the X and NC-17 Ratings – The Hollywood Reporter

FSM Board: Films That Received an X Rating in the U.S.

DREAMS ARE WHAT LE CINEMA IS FOR: LAST SUMMER 1969

Every Major Movie That Got Slapped With An X Rating

On this Day in Movie History, November 1, 1968: MPAA Film Rating System Becomes Effective – Michigan Movie Magazine

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

Review: 'Fast X” gears up for more road rage, sets up sequels - Brainerd Dispatch

original version of the movie ratings poster before the X rating was changed to NC-17 : r/RedditDayOf

The X-Rated Life – Approved for All Audiences #atozchallenge - The Madlab Post