Most of the allusions are based on the folklore of Yorkshire, England. It was full of stories about ghosts. There are also references to Yorkshire rituals. Edgar's act of sitting up the entire night with Catherine's body after she dies was a traditional ritual in Yorkshire. Also, the ritual of "bidding", which was "an invitation to accompany a body to the grave" was common in Bronte's community. Finally, the many references to tuberculosis were references to the disease that was rampant in an area where the climate was so severe and heating so poor.