This "teaching anthology" appeared in 2001, and as a textbook, is very expensive -- Amazon currently lists it at $133 new. The listing here is based on the compilation in William G. Contento's Locus Index to Science Fiction.
“The Mortal Immortal”,
Mary Shelley
(The Keepsake, 1834 1833)
“The Fall of the House of Usher”,
Edgar Allan Poe
(Burton's Gentlemens Magazine Sep 1839)