^ Cheung, Johnny (2007) “*u̯aid¹, *u̯aid²”, in Etymological Dictionary of the Iranian Verb (Leiden Indo-European Etymological Dictionary Series; 2), Leiden, Boston: Brill, →ISBN, pages 408-410
↑ 3.03.1Wodtko, Dagmar S., Irslinger, Britta, Schneider, Carolin (2008) Nomina im indogermanischen Lexikon [Nouns in the Indo-European Lexicon] (in German), Heidelberg: Universitätsverlag Winter, pages 717-722
^ Martirosyan, Hrach (2010) “*git-”, in Etymological Dictionary of the Armenian Inherited Lexicon (Leiden Indo-European Etymological Dictionary Series; 8), Leiden and Boston: Brill, page 216
^ Ringe, Donald (2006) From Proto-Indo-European to Proto-Germanic (A Linguistic History of English; 1)[1], Oxford: Oxford University Press, →ISBN
^ Derksen, Rick (2015) “veidas”, in Etymological Dictionary of the Baltic Inherited Lexicon (Leiden Indo-European Etymological Dictionary Series; 13), Leiden, Boston: Brill, →ISBN, page 494
^ Yates, Anthony (2022) “A new prosodic reconstruction of Proto-Indo-European *-mon-stems”, in Indo-European Linguistics, volume 10, number 1, →DOI, →ISSN, page 249-250 of 214–288
^ De Vaan, Michiel (2008) “videō”, in Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, page 676
^ Adams, Douglas Q. (2013) “ūwe”, in A Dictionary of Tocharian B: Revised and Greatly Enlarged (Leiden Studies in Indo-European; 10), Amsterdam, New York: Rodopi, →ISBN, pages 75-76
^ Adams, Douglas Q. (2013) “īme”, in A Dictionary of Tocharian B: Revised and Greatly Enlarged (Leiden Studies in Indo-European; 10), Amsterdam, New York: Rodopi, →ISBN, page 71