Columbia subject headings:
Komi language--Dialects--Dictionaries.
Komi language--Dialects--Russia (Federation)--Vychegda River Valley.
Harvard subject headings:
Komi language--Dialects--Vychegda Valley, Russia.
Komi language--Dictionaries--Russian.
Princeton subject headings:
Komi language--Dialects--Russia (Federation)--Vychegda River Valley.
Komi language--Dictionaries--Russian.