1. Many admirable books have been written on J. J. Thomson from which the author strongly recommends: , J. J. Thomson and the Discovery of the Electron, Taylor and Francis, London, 1997.
2. , J. J. Thomson and the Discovery of the Electron, Taylor and Francis, London, 1997, p. 8.
3. Recollections and Reflections, G. Bell, London, 1936, p. 35.
4. Argon und das nichtinerte Paar: Rayleigh und Ramsay
5. Argon and the Non-Inert Pair: Rayleigh and Ramsay