SEX, VIOLENCE, AND ADULT THEMES: The MPAA and the Birth of the Film Ratings System - Doherty, Thomas (Cinéaste, 2017)
https://katalog.adlr.link/Record/ai-55-aHR0cHM6Ly93d3cuanN0b3Iub3JnL3N0YWJsZS8yNjM1Njc4Mg