Murders in the Rue Morgue [1841] by Edgar Allan Poe [Poe] (This story is included in most “collected works” volumes of Poe’s stories.)
Bleak House [1853] by Charles Dickens [Dickens]
Essay: The Unknown Public [1858] by Wilkie Collins [click link above for complete text on-line!]
The Woman in White [1860] by Wilkie Collins [Collins]
The Leavenworth Case [1878] by Anna Katherine Green [Green]
A Study in Scarlet [1887] by Arthur Conan Doyle [Doyle] [Also included in all “Complete Sherlock Holmes” collections.]
The Mysterious Affair at Styles [1920] by Agatha Christie [Christie]
Whose Body [1923] by Dorothy L. Sayers [Sayers]
The House Without a Key [1926] by Earl Derr Biggers [Biggers]
Roman Hat Mystery [1929] by Manfred B. Lee and Frederic Dannay (a.k.a. “Ellery Queen”) [Queen]
The Case of the Velvet Claws [1933] by Erle Stanley Gardner [Gardner]
I, the Jury [1947] by Mickey Spillane [Spillane]