Columbia subject headings:
Harvard subject headings:
Greek language--Grammar, Comparative--Indo-European.
Indo-European languages--Grammar, Comparative--Greek.
Indo-European languages--Morphology.
Indo-European languages--Nominals.
Indo-European languages--Word formation.
Princeton subject headings:
Greek language--Grammar, Comparative--Indo-European.
Indo-European languages--Grammar, Comparative--Greek.
Indo-European languages--Morphology.