Open Library
Horror
Fear is the oldest story.

Criminal Paradise
Steven M. Thomas

Tread Softly
Richard Laymon

Camp Damascus
Chuck Tingle

Infected
Scott Sigler

The Book of Elsewhere
Keanu Reeves

Short Fiction, Classic and Contemporary -- Second Edition
Charles H. Bohner

After Midnight
Richard Laymon

Araminta Spookie 3
Angie Sage

La concubina del diablo
Angeles Goyanes

Dead sea
Brian Keene

The Beast Within
Edward Levy

Young Blood
Brian Stableford

The Oxford Book of Scary Tales
Dennis Pepper

100 Creepy Little Creatures
Stefan R. Dziemianowicz

100 Hair Raising Little Horror Stories
Al Sarrantino

Among the Dolls
William Sleator

Scare Care
Graham Masterton

The Treasury of Science Fiction Classics
Harold W. Kuebler
The Gold-Bug and Other Tales
Edgar Allan Poe

The Complete Works of Edgar Allan Poe - Tales (Angel of the Odd / Cask of Amontillado / Domain of Arnheim / Facts in the Case of M. Valdemar / Hop-Frog / Imp of the Perverse / Landor's Cottage / Literary Life of Thingum Bob, Esq. / Mellonta Tauta / Power of Words / Purloined Letter / Some Words with a Mummy / Sphinx / System of Dr. Tarr and Prof. Fether / Thou Art the Man / Thousand-and-Second Tale of Scheherazade / Von Kempelen and His Discovery / X-Ing a Paragrab)
Edgar Allan Poe