Roots: the white-slavery films (near the genre, not in it) secondary
Where the trafficking premise comes from: the white-slavery and vice films of 1913–1940. They are rescue and exposé narratives — police, reformers and families save the girl — so they are the history behind Girl Has to Kill Everyone, not part of it.
Near the genre, not in it: these are rescue and exposé narratives, the history behind the trafficking premise.
Streamable now · public domain
Key titles · where-to-watch leads
These are (mostly) modern copyrighted films — we don't stream them, we point you to them.
Slaves in Bondage
Reference only · not streamed here
Gambling with Souls
Reference only · not streamed here
Mad Youth
Reference only · not streamed here
Where to watch: The four silent-era titles play free here; the 1930s exposés are leads only.