Gaston Tissandier

Inaudi, the calculator

Scientific American, N. 15, Vol. 66, Munn & Co., New York 9 april 1892, pp. 230-230.

Alfred Binet

The calculator, Giacomo Inaudi

The Literary Digest, N. 11, Vol. 5, Funk & Wagnalls, New York 16 july 1892, pp. 293-294.

Jean-Martin Charcot

Physiologie psychologique. Un calculateur prodige, Inaudi

The New York Medical Times, N. 9, Vol. 20, New York december 1892, pp. 285-286.