Columbia subject headings:
Harvard subject headings:
Islamic Empire--History--750-1258.
Islamic Empire--Intellectual life.
Islamic learning and scholarship--History--Islamic Empire.
Muslim scholars--Islamic Empire.
Seljuks--Civilization.
Seljuks--History.
Sunna--History.
Princeton subject headings:
Islamic Empire--History--750-1258.
Islamic Empire--Intellectual life.
Muslim scholars--Biography.
Seljuks--History.
Sunna--History.