Giacinto Forni

Hersch Danemark a Torino

Del Mondo degli spiriti e della sua efficacia nell'universo sensibile, Tipografia Speirani e Ferrero, Torino 1851, pp. 99-102.

John Henry Anderson

Exposé of Spirit Rappings

S. Booth, New York 1853.

Manifestations of the spirit!

Tait's Edinburgh Magazine, Sutherland and Knox, Edinburgh 1853, pp. 157-164.

Henry Spicer

Sights and sounds: the mystery of the day. Comprising an entire history of the American "spirit" manifestations

T. Bosworth, London 1853.