John Dalton begins publication of A New System of Chemical Philosophy, explaining his atomic theory of chemistry and including a list of atomic weights.[2][3]
Bowden, Mary Ellen (1997). "John Dalton". Chemical achievers: the human face of the chemical sciences. Philadelphia, Pennsylvania: Chemical Heritage Foundation. pp.48-51, 53. ISBN9780941901123.
Elements d'arithmétique universelle. Higgins, Peter (2008), Number Story: From Counting to Cryptography, New York: Copernicus, p.12, ISBN978-1-84800-000-1