Northanger Abbey Mysteries of Udolpho," as it is the Gothic novel most frequently mentioned within this text"." Notably, Jane Austen sold the manuscript of Northanger Abbey to the same firm that published Radcliffe's novel in 1794. This outside text is first mentioned in Chapter Six, when Isabella and Catherine discuss the mystery "behind the black veil," and further establish their friendship based on their similar interests in novel genre, and their plans to continue reading other Gothic novels together. Austen further satirizes the novel through Catherine's stay at Northanger Abbey, believing that General Tilney has taken the role of Gothic novel villain.
Northanger Abbey the match between Catherine and Henry is implied as both smart and fitting. Tenille Nowak has noted that critics and editors of "Northanger Abbey" often suggest that the names Laurentina and St Aubin appearing in the text are misrememberings of character names from "Udolpho"; Nowak observes that due to there being very few copies of "The Orphan of the Rhine" available these critics did not realise that the names actually appear in their exact form Sleath's novel. Nowak observes other instances where Sleath's novel is echoed by Austen, particularly in her descriptions of place. A passage from the novel appears