In Memoriam, University of California, , 303–306 p. (lire en ligne)
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Thornton, « Stark Intensities in a Canal-Ray Source at Different Pressures », Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences, vol. 150, no 870, , p. 259–266 (DOI10.1098/rspa.1935.0100, Bibcode1935RSPSA.150..259T)
Thornton, « Stark Intensities in a Canal-Ray Source at Different Pressures », Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences, vol. 150, no 870, , p. 259–266 (DOI10.1098/rspa.1935.0100, Bibcode1935RSPSA.150..259T)