Mystery and 19C periodicals.

Vanity Fair cartoon of Wilkie
Collins by Adriano Cecioni,
Feb. 1872

"All the Year Round: Exploring the Nineteenth-Century Periodical," an online exhibition from the University of Otago in New Zealand, includes an 1872 tribute in Vanity Fair to Wilkie Collins for his role in the rise of sensation literature , as well as Arthur Conan Doyle's "The Adventure of the Speckled Band" and The Hound of the Baskervilles from the Strand Magazine (1892, 1902).