(en) Oswald Szemerényi(en) (trad. de l'allemand), Introduction to Indo-European linguistics [« Einführung in die vergleichende Sprachwissenschaft »], Oxford, Oxford University Press, , XXXII + 352 (ISBN0-19-823870-3), p. 12, n. 1. : « As a comprehensive term for this language family, Indo-European was first proposed (and probably coined) in 1813 by the well-known physician Dr Thomas Young in the London Quarterly Review 10/2 (no. 19), 255f., 264f. [...]. »