Casting Call poster - Flashbak

Whatever Happened to the X Rating?

What Happened to the X Rating? AfterPiece! Zine — AfterPiece! Zine

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

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

History

DREAMS ARE WHAT LE CINEMA IS FOR: LAST SUMMER 1969

X - Rotten Tomatoes

Midnight Cowboy - Wikipedia

X (BBFC), Rating System Wiki

3. The Contemporary Movie Rating System in America” in “Sexuality in the movies” on Digital Publishing at Indiana University Press