Main group 1

• Campbell, Lyle, Historical linguistics: an introduction, 3., rev. edition, Edinburgh, Edinburgh University Press, [2013]
• Chang, S, Markedness and consonant confusion asymmetries, Part of: The role of speech perception in phonology, San Diego, Academic Press, 2001, p. 79–101
• Fortson, Benjamin W., Indo-European language and culture: an Introduction, 2. ed., Chichester, Wiley-Blackwell, 2010 [i.e. 2009]
• Hale, Mark, Historical linguistics: theory and method, Malden, MA, Blackwell Pub., 2007
• Millar, Robert McColl, Trask's historical linguistics, 3rd edition., Abingdon, Oxon, Routledge, [2015]
• Ross, Malcolm, Social networks and kinds of speech community event, Part of: Archaeology and language: artefacts, languages and texts, London, Routledge, 1997, no. 27, p. 209–261
• Bowern, Claire; Evans, Bethwyn, The Routledge handbook of historical linguistics, London, Routledge, cop. 2015