In Season 1, Episode 9 - Sam and Dean are going back to Lawrence and we're so here for it. Except for creepy basements and disturbing clapping monkeys. Our lore is all about Gef - the helpful mongoose poltergeist, aka the Dalby Spook.
Ashford, Jenny The Unseen Hand
Fraser, John Poltergeist! A New Investigation into Destructive Haunting
Knight, Nicholas Supernatural: The Official Companion Season 1