Columbia subject headings:
Greek language--Aspect.
Greek language--Grammar, Comparative--Sanskrit.
Greek language--Tense.
Indo-European languages--Aspect.
Indo-European languages--Tense.
Sanskrit language--Aspect.
Sanskrit language--Grammar, Comparative--Greek.
Sanskrit language--Tense.
Harvard subject headings:
Greek language--Aspect.
Greek language--Grammar, Comparative--Sanskrit.
Greek language--Tense.
Indo-European languages--Aspect.
Indo-European languages--Tense.
Sanskrit language--Aspect.
Sanskrit language--Grammar, Comparative--Greek.
Sanskrit language--Tense.
Princeton subject headings: