(en) Dominik Wujastyk, « Review of S.R. Hill & P.G. Harrison, Dhatu-Patha: The Roots of Language: The Foundations of the Indo-European Verbal System, London, 1991 », Bulletin of the School of Oriental and African Studies, vol. 59, no 2, , p. 391-392 (lire en ligne)
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William Dwight Whitney, The Roots, Verb-forms and Primary Derivatives of the Sanskrit Language. A supplement to [the]Sanskrit Grammar, Leipzig, 1885, 276 p. [lire en ligne (page consultée le 27 avril 2024)]