"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.
"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.