He has published widely on problems of language classification,e.g. Georg 2003b, especially on the controversy surrounding the Altaic hypothesisGeorg, Michalove, Manaster Ramer and Sidwell 1999 includes a history of that debate by Georg (the putative genetic relationship between the Turkic, Mongolic, and Tungusic language families to which Korean and Japanese are sometimes added). He belongs to the critics of this hypothesis and argues for a non-genetic, areal interpretation of the commonalities between these languages.E.g. Georg 1999/2000, , , Other fields of interest he is active in include Palaeosiberian languages, Tibeto-Burman languages, Indo-European and Kartvelian linguistics and linguistic typology.Association for Linguistic Typology, Membership entry Stefan Georg. Retrieved on 2009-08-10.
