Sources

• Afghanistan: Cultural Heritage
• Bactria
• Afghanistan Coins with Rulers
• AFGHANISTAN : A SHORT ACCOUNT OF AFGHANISTAN, ITS HISTORY, AND OUR DEALINGS WITH IT BY P. F. WALKER, BARRISTER-AT-LAW. (LATE 75TH REGIMENT.), 1881
• Nyrop, Richard F. & Donald M. Seekins, Afganistan: A Country Study Department of the Army, 1986