THE DREAMS IN THE WITCH HOUSE is a Cthulhu Mythos story, written in 1932 and first published in the July 1933 issue of Weird Tales.
The story follows Walter Gilman, a student of mathematics and folklore at Miskatonic University, who rents a room in the infamous Witch House of Arkham. The house was once home to Keziah Mason, a 17th-century witch rumoured to have escaped from Salem through non-Euclidean geometry.