Columbia subject headings:
Harvard subject headings:
Authors, English--19th century--Biography
Doyle, Arthur Conan, 1859-1930--Knowledge--Occultism.
Spiritualism.
Princeton subject headings:
Authors, Scottish--19th century--Biography.
Authors, Scottish--20th century--Biography.
Doyle, Arthur Conan, 1859-1930--Knowledge--Occultism.
Occultists--Great Britain--Biography.
Spiritualism--Great Britain--History.