Ahirs (Abhiras) came from Eastern Iran  

"The Abhiras who came from some part of Eastern Iran seem to have settled at first in northern Sindh."

Uttankita Sanskrit Vidya-Aranya epigraphs, Volume 2

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Prāci-jyotī: digest of Indological studies, Volume 10-page-113

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http://books.google.co.in/books?id=AqKw1Mn8WcwC&pg;=PA32&dq;=#v=onepage&q;=abiravan&f;=false

http://books.google.co.in/books?id=U1gIAAAAQAAJ&q;=abhira+afghanistan&dq;=abhira+afghanistan&hl;=en&ei;=jR6UTcjAMYqqrAek_LnoCw&sa;=X&oi;=book_result&ct;=result&resnum;=4&ved;=0CDgQ6AEwAzgU

The tribes and castes of Bombay, Volume 1 By Reginald Edward Enthovenpage -23

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http://books.google.co.in/books?id=41MIAAAAQAAJ&q;=abhira+afghanistan&dq;=abhira+afghanistan&hl;=en&ei;=5RiUTYfiJMrWrQfh3JnzCw&sa;=X&oi;=book_result&ct;=result&resnum;=7&ved;=0CEkQ6AEwBjgK

Oriental studies, Part 1-page-57

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The History and Culture of the Indian People: The age of imperial unity-page-221

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Catalogue of the Coins of the Andhra Dynasty, the Western Ksatrapas, the ... By E.J. Rapson

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The Age of imperial unity, Volume 2, Part 1-page-221

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Advanced history of India

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Geographical data in the early Purāṇas: a critical study-page-129

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New light thrown on the history of India: the historical Naga kings of India, 6th C.B.C.-14th C.A.D.-page-76

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Buddhism in western India-page-54

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India as seen in the Bṛhatsaṁhitā of Varāhamihira-page-65

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Some early dynasties of South India By S. Chattopadhyaya

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