Psychics

Free to read here, from Project Gutenberg.

John Silence, Physician Extraordinary

Algernon Blackwood

Seen and Unseen

E. Katherine Bates, also an audiobook

Three John Silence Stories

Algernon Blackwood, also an audiobook

The Flaw in the Crystal

May Sinclair, also an audiobook

Amos Judd

John Ames Mitchell