"Essai sur le théorie des proportions chimiques" by Jons Jacob Berzelius (1819) translated in Henry M. Leicester and Herbert S. Klickstein "A Source Book in Chemistry 1400-1900" (p. 260), 1952.
"An Attempt to Establish a Pure Scientific System of Mineralogy: By the Application of the Electro-Chemical Theory and the Chemical Proportions". Book by Jons Jacob Berzelius, 1814.