Columbia subject headings:
Grammar, Comparative and general--Aspect.
Grammar, Comparative and general--Tense.
Typology (Linguistics)
Harvard subject headings:
Grammar, Comparative and general--Aspect.
Grammar, Comparative and general--Tense.
Typology (Linguistics)
Princeton subject headings:
Grammar, Comparative and general--Aspect.
Grammar, Comparative and general--Tense.
Typology (Linguistics)