Eusebe Baconnière de Salverte

The Occult Sciences: The Philosophy of Magic, Prodigies and apparent Miracles

Vol. 2, Harper & Brothers, New York 1847 (I ed. 1829).

Felice Govean e Alessandro Borella

I misteri di Torino scritti da una penna in quattro mani

Claudio Perrin, Torino 1849.

Charles Mackay

Memoirs of extraordinary popular delusions and the madness of crowds

Vol. 1, Lindsay & Blakistone, Philadelphia 1850 (I ed. 1841).

Charles Mackay

Memoirs of extraordinary popular delusions and the madness of crowds

Vol. 2, Lindsay & Blakistone, Philadelphia 1850 (I ed. 1841).

Felice Govean e Alessandro Borella

I misteri di Torino scritti da una penna in quattro mani

Claudio Perrin, Torino 1850 (I ed. 1849).