Walter Cooper Dendy

The philosophy of mystery

Harper & Brothers, New York 1845 (I ed. 1841).

Robert Hare

Experimental Investigation of the Spirit Manifestations

Partridge & Brittan, New York 1856.

Maximilian Schele de Vere

Modern Magic

G.B. Putnam & Sons, New York 1873.

Henry T. Williams

The secret book of the black arts : containing all that is known upon the occult sciences

Hurst & Co., New York 1878.

Montague Summers

The Physical Phenomena of Mysticism

Barnes & Noble, New York 1950.