Columbia subject headings:
Harvard subject headings:
Intellectuals--Iran--Khurasan--History.
Khurāsān (Iran)--Biography.
Khurāsān (Iran)--History.
Khurāsān (Iran)--Intellectual life.
Princeton subject headings:
Intellectuals--Iran--Khurāsān--History.
Khurāsān (Iran)--History.
Khurāsān (Iran)--Intellectual life--History.