Heading down the rabbit hole…
Qwikiverse maps the references between stories: what American Horror Story nods to, and what nods back. How it works
Wikipedia: American Horror Story
Brad Falchuk Teley-Vision Ryan Murphy Television 20th Century Fox Television
Public domain
Nothing spotted here yet.
A line quoted, a cameo, a character named after something: if American Horror Story nods to another story, or another story nods to it, spot the first one.