Private investigators -- England -- Fiction. London (England) -- Social life and customs -- 19th century -- Fiction. Mystery fiction. Historical fiction. Holmes, Sherlock -- Fiction.

Friendship -- Fiction. Murder -- Investigation -- Fiction. Detective and mystery stories. Glasgow (Scotland) -- Fiction. London (England) -- Fiction.

Women private investigators -- England -- London -- Fiction. Mystery fiction. Historical fiction.

Serial murder investigation -- England -- London -- Fiction. Mystery fiction.

Havers, Barbara (Fictitious character) -- Fiction. Police -- England -- Fiction. Murder -- Investigation -- Fiction. London (England) -- Fiction. Mystery fiction.

Monk, William (Fictitious character) -- Fiction. Private investigators -- England -- London -- Fiction. Missing persons -- Investigation -- Fiction. London (England) -- History -- 19th century -- Fiction. Mystery fiction.

Private investigators -- England -- London -- Fiction. Missing persons -- Investigation -- Fiction. Murder -- Investigation -- Fiction. Mystery fiction.

Private investigators -- England -- London -- Fiction. Missing persons -- Investigation -- Fiction. Murder -- Investigation -- Fiction. Mystery fiction.

Private investigators -- Belgium -- Fiction. Nineteen twenties -- Fiction. London (England) -- Fiction. Mystery fiction. Poirot, Hercule (Fictitious character) -- Fiction.

Private investigators -- England -- London -- Fiction. Missing persons -- Investigation -- Fiction. Murder -- Investigation -- Fiction. Mystery fiction.

Brothers and sisters -- Fiction. Vampires -- Fiction. Aristocracy (Social class) -- Fiction. London (England) -- Fiction. Mystery fiction.

Brothers -- Fiction. Lawyers -- England -- London -- Fiction. Letter writing -- Fiction. 221B Baker Street (London, England : Imaginary place) -- Fiction. London (England) -- Fiction.