↑ 3.03.1Minorsky, V. (1938). "Geographical Factors in Persian Art". Bulletin of the School of Oriental Studies, University of London, 9(3), 621-652.
↑ 4.04.14.2"Khorasan". Encyclopædia Britannica Online. สืบค้นเมื่อ 2010-10-21. historical region and realm comprising a vast territory now lying in northeastern Iran, southern Turkmenistan, and northern Afghanistan. The historical region extended, along the north, from the Amu Darya westward to the Caspian Sea and, along the south, from the fringes of the central Iranian deserts eastward to the mountains of central Afghanistan. Arab geographers even spoke of its extending to the boundaries of India.
↑Sykes, M. (1914). "Khorasan: The Eastern Province of Persia". Journal of the Royal Society of Arts, 62(3196), 279-286.
↑A compound of khwar (meaning "sun") and āsān (from āyān, literally meaning "to come" or "coming" or "about to come"). Thus the name Khorasan (or Khorāyānخورآيان) means "sunrise", viz. "Orient, East".
Humbach, Helmut, and Djelani Davari, "Nāmé Xorāsān"เก็บถาวร 2011-01-02 ที่ เวย์แบ็กแมชชีน, Johannes Gutenberg-Universität Mainz; Persian translation by Djelani Davari, published in Iranian Languages Studies Website.
MacKenzie, D. (1971). A Concise Pahlavi Dictionary (p. 95). London: Oxford University Press.
The Persian word Khāvar-zamīn (เปอร์เซีย: خاور زمین), meaning "the eastern land", has also been used as an equivalent term. DehKhoda, "Lughat Nameh DehKhoda"เก็บถาวร 2011-07-18 ที่ เวย์แบ็กแมชชีน
↑"Khorāsān". britannica.com. Encyclopædia Britannica, Inc. สืบค้นเมื่อ 8 December 2018.