Columbia subject headings:
Greece--History--Dorian Invasions, ca. 1125-1025 B.C.
Greece--History--Geometric period, ca. 900-700 B.C.
Harvard subject headings:
Greece--History--Dorian Invasions, ca. 1125 B.C.-1025 B.C.
Greece--History--Geometric period, ca. 900 B.C.-700 B.C.
Princeton subject headings:
Greece--History--Dorian Invasions, ca. 1125-1025 B.C.
Greece--History--Geometric period, ca. 900-700 B.C.