Columbia subject headings:
Grammar, Comparative and general--Aspect.
Indo-Aryan languages, Modern--Aspect.
Indo-Aryan languages, Modern--Grammar, Comparative--Slavic.
Slavic languages--Aspect.
Slavic languages--Grammar, Comparative--Indo-Aryan, Modern.
Harvard subject headings:
Grammar, Comparative and general--Aspect.
Indo-Aryan languages, Modern--Aspect.
Indo-Aryan languages, Modern--Grammar, Comparative--Slavic.
Slavic languages--Aspect.
Slavic languages--Grammar, Comparative--Indo-Aryan, Modern.
Princeton subject headings:
Grammar, Comparative and general--Aspect.
Indo-Aryan languages, Modern--Aspect.
Indo-Aryan languages, Modern--Grammar, Comparative--Slavic.
Slavic languages--Aspect.
Slavic languages--Grammar, Comparative--Indo-Aryan, Modern.