Columbia subject headings:
Harvard subject headings:
Finno-Ugric languages--Etymology--Congresses.
Finno-Ugric languages--Parallelism--Congresses.
Language and languages--Etymology--Congresses.
Parallelism (Linguistics)--Congresses.
Steinitz, Wolfgang, 1905-1967--Congresses.
Princeton subject headings:
Khanty language--Congresses.
Parallelism (Linguistics)--Congresses.
Steinitz, Wolfgang, 1905-1967--Congresses.