Columbia subject headings:
Harvard subject headings:
Folklore--Russia (Federation)--Bashkortostan.
Labor--Russia (Federation)--Bashkortostan--Folklore.
Miners--Russia (Federation)--Bashkortostan--Folklore.
Working class--Russia (Federation)--Bashkortostan--Folklore.
Princeton subject headings:
Folklore--Russia (Federation)--Bashkortostan--History.
Labor--Russia (Federation)--Bashkortostan--Folklore--History.
Miners--Russia (Federation)--Bashkortostan--Folklore--History.
Working class--Russia (Federation)--Bashkortostan--Folklore--History.