Part 1 (Jul., 1962), pp. 254–262 Indo-European family tree, showing Indo-European languages and sub branches Image of Indo-European migrations from the Armenian
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(页面存档备份,存于互联网档案馆) Pashto Language & Identity Formation in Pakistan (页面存档备份,存于互联网档案馆) Indo-Aryan identity of Pashto Henry George Raverty(英语:Henry George Raverty). A Dictionary