Columbia subject headings:
Grammar, Comparative and general--Aspect.
Japanese language--Aspect.
Japanese language--Grammar, Comparative--Polish.
Polish language--Aspect.
Polish language--Grammar, Comparative--Japanese.
Harvard subject headings:
Grammar, Comparative and general--Aspect.
Japanese language--Aspect.
Japanese language--Grammar, Comparative--Polish.
Polish language--Aspect.
Polish language--Grammar, Comparative--Japanese.
Princeton subject headings: