Traité sur le gaz (traduit de l’anglais). Extraits des documents originaux en anglais: "An historical sketch of the origin and progress of Gas lighting", (Londres 1832) et "A compendium of gas-lighting adapted for the use of those who are unacquainted with chemistry, containing an account of some new apparatus lately introduced". (Londres, 1827).

Treaty on the gas (translated from English) by William Matthews. Excerpts from the original English documents: « An historical sketch of the origin and progress of Gas lighting”, (London 1832) and “A compendium of gas-lighting adapted for the use of those who are unacquainted with chemistry, containing an account of some new apparatus lately introduced”(London, 1827).