Columbia subject headings:
Comparative linguistics--Congresses.
Historical linguistics--Congresses.
Illich-Svitych, V. M. (Vladislav Markovich), 1934-1966--Congresses.
Linguistic paleontology--Congresses.
Nostratic hypothesis--Congresses.
Reconstruction (Linguistics)--Congresses.
Harvard subject headings:
Comparative linguistics--Congresses.
Reconstruction (Linguistics)--Congresses.
Princeton subject headings: