Columbia subject headings:
Harvard subject headings:
Byliny--Russia (Federation)--Pechora River Valley.
Onchukov, N. E. (Nikolaĭ Evgenʹevich). Pechorskie byliny--Language--Glossaries, vocabularies, etc.
Russian language--Word frequency--Dictionaries.
Princeton subject headings:
Byliny.
Dictionaries.
Onchukov, N. E. (Nikolaĭ Evgenʹevich). Pechorskie byliny--Language--Word frequency.
Russian language--Word frequency--Dictionaries.