1. F.W.J. Schelling, Sammtliche Werke, 1856, Vol. 2, § 3.14
2. A. Volta, Annali di Chimica e Storia Naturali, 1797, Vol. 13, pp. 226–274
3. A. Volta, Annali di Chimica e Storia Naturali, 1797, Vol. 14, pp. 225–256.
4. A. Volta, ‘Aux Rédacteurs de la Bibliothèque Britannique’ Bibliothèque Britannique, 1802, Vol. 19, p. 270.
5. G.V.M. Fabbroni, ‘On the Chemical Action of the different Metals upon each other at the common Temperature of the Atmosphere, and upon the Explanation of certain Galvanic Phenomena,’ Rozier’s Journal de Physique, 1799, Vol. 49, pp. 348–357