Open Library
Horror
Fear is the oldest story.

The Oxford Book of Gothic Tales
Chris Baldick

The Autumn Castle
Kim Wilkins

No Go the Bogeyman
Marina Warner

The Night Parade
Ronald Malfi

Ring Shout
P. Djèlí Clark

Dead sea
Brian Keene

Murgunstrumm & Others
Hugh B. Cave

The Oxford Book of Scary Tales
Dennis Pepper

The best horror stories
Robert Bloch

Feedback
Seanan McGuire

Into the Drowning Deep
Mira Grant

Cinema of the Fantastic
Chris Steinbrunner

Linguistics and the study of comics
Frank Bramlett

The Beast Within
Edward Levy

La caída de la casa Usher y otros cuentos (Facts in the Case of M. Valdemar / Fall of the House of Usher / Ligeia / Masque of the Red Death / Ms. Found in a Bottle / Murders in the Rue Morgue / Oval Portrait / William Wilson)
Edgar Allan Poe

The Dracula Book of Great Horror Stories
Leslie Shepard

Phantasma
Kaylie Smith

The Best of Roald Dahl
Roald Dahl

Fires Rising
Michael Laimo

Origins
Cate Tiernan