17

18

19

20

21

22

Germanic_languages

gallo-iberian

Anatolian

Albanian_language

Indo-Iranian_languages

Balto-Slavic_languages

Indo-Aryan_peoples

Iranian_languages

Tocharians

Corded_Ware_culture

Beaker_culture

Culture_Yamna

liste-langues

Indoeuropeische_Sprachen

August_Schleicher

Antoine_Meillet

August_Schleicher

LettischeGrammatik

ioannis rozwadowski

S ZABOROWSKI