Found in articles
Albanoid
Germanic: evidence in support of the Agricultural Substrate Hypothesis". In Riho Grünthal, Petri Kallio (ed.). A Linguistic Map of Prehistoric Northern Europe
Livonian language
Linguistica Uralica 48, nr. 1 (2012). pp. 55-67. DOI: 10.3176/lu.2012.1.05. Riho Grünthal [fi]. "Livonian at the crossroads of language contacts". In: Santeri
Proto-Albanian language
Germanic: evidence in support of the Agricultural Substrate Hypothesis". In Riho Grünthal, Petri Kallio (ed.). A Linguistic Map of Prehistoric Northern Europe
Paleo-Balkan languages
Germanic: evidence in support of the Agricultural Substrate Hypothesis". In Riho Grünthal, Petri Kallio (ed.). A Linguistic Map of Prehistoric Northern Europe
Illyrians
light of archaeology: Revised and integrated 'total' correlations". In Riho Grünthal, Petri Kallio (ed.). A Linguistic Map of Prehistoric Northern Europe