#quotes #books #booksky #excerpts #citations #horse #wheel #language #hittite #hattic #caucasian #indo-european #linguistic #archeology #davidwanthony

#quotes #books #booksky #excerpts #citations #horse #wheel #language #davidwanthony #archeology #proto-indo-european #indo-european #steppes #volga #yamnaya #pontic #caspian #russia #linguistic