Eric. D. Demaine, Martin L. Demaine e Anna Lubiw

Folding and cutting paper

Proceedings of the Japan Conference on Discrete and Computational Geometry, Waterloo 1998.

Martin Gardner

A Quarter-Century of Recreational Mathematics

Scientific American, agosto 1998, pp. 68-75.

Georg Glaeser e Ernst Strouhal

Kempelen's chess playing pseudo-automaton and Racknitz' explanation of its controls 1789

International Symposium on History of Machines and Mechanisms Proceedings HMM 2000, Springer, 2000, pp. 351-360.

Deac Rossell

The 19 Century German Origins of the Phantasmagoria Show

2001.

G. T. Clapton

Baudelaire and Catherine Crowe

The Modern Language Review, Vol. 100, 2005, pp. 171-190.

Bertrand Méheust

A historical approach to psychical research: the case of Alexis Didier (1826-1886)

Esalen Institute, Big Sur maggio 2007.