[RK]

Jane Austen's uber-fans are called Janeites, complete with conventions and "re-enactments".

http://en.wikipedia.org/wiki/Janeite

From the Wikipedia entry:

Lynch has described committed Janeites as members of a cult...

[julius_geezer]

Rudyard Kipling wrote an entertaining story, "The Janeites." The characters in the story, for what it's worth, are not girls but rather officers and men of British battery at the front in 1917 or so.