1921-1994 410 anatolianlanguages anthropologicallinguistics basquelanguage comparativelinguistics congresses dialectesproto-indoeuropéens englishlanguage etymology gimbutas greeklanguage history hittitelanguage indo-europeanantiquities indo-europeanlanguages indo-europeans indo-européens languesindo-européennes linguisticpaleontology marija nostratichypothesis poetry proto-germaniclanguage roots russianlanguage socialaspects spain