Columbia subject headings:
Finno-Ugric languages--Grammar, Comparative.
Finno-Ugric languages--Parts of speech.
Harvard subject headings:
Finno-Ugric languages--Function words.
Princeton subject headings:
Finno-Ugric languages--Conjunctions.
Finno-Ugric languages--Particles.
Finno-Ugric languages--Postpositions.
Finno-Ugric languages--Prepositions.