Columbia subject headings:
Alâeddîn Keykubad I, Sultan of the Seljuks, -1237.
Seljuks--Turkey--History.
Harvard subject headings:
Alaaddin Keykubad I, Sultan of the Seljuks, -1237.
Alâeddîn Keykubad I, Sultan of the Seljuks, -1237.
Seljuks--Turkey--History.
Turkey--History--To 1453.
Princeton subject headings:
Alâeddîn Keykubad I, Sultan of the Seljuks, -1237.
Seljuks--Turkey--History.
Turkey--History--To 1453.