Wilber, Donald N.
Iran : past and present
Princeton University Press, 1958
 Buku Teks SO
Iran : the land of ahoora
by Dāvūd Vakīlʾzādah
Land of Ahoora, 2008
 Buku Referensi
Ghirshman, R.
Iran : from the earliest times to the islamic conquest
Penguin Books, 1954
 Buku Teks SO
Frye, Richard N.
Iran
Henry Holt, 1953
 Buku Teks SO
Frye, Richard N.
Iran
George Allen & Unwin, 1960
 Buku Teks SO