Subject
5 free books about atomic theory, free to read online. Chapter 1 of any book is free, no account needed.
On the constitution of atoms and molecules
Niels Bohr
The atom and the Bohr theory of its structure: An Elementary Presentation
Holst, Helge; Kramers, Hendrik Anthony
A new system of chemical philosophy, Volume 2, Part 1
John Dalton
The Theory of Spectra and Atomic Constitution: Three Essays
The origin and development of the atomic theory
Maynard Shipley
