Unavailable, even after all this time, Letty Lynton (1932) is at youtube in 9 pieces. For now. Wikipedia says "Soon after its [Letty Lynton's] release, a plagiarism suit forced MGM to withdraw it. It has never been shown on television or made available on home video". It stars Joan Crawford and Robert Montgomery.
part 2, part 3, part 4, part 5, part 6, part 7, part 8, part 9
The New York Times doesn't like it. TCM has an overview.
HT: Self-Styled Siren