Columbia subject headings:
Nizhniĭ Tagil (Russia)--Social life and customs.
Working class--Russia (Federation)--Nizhniĭ Tagil.
Harvard subject headings:
Labor--Russia (Federation)--Nizhniĭ Tagil.
Nizhniĭ Tagil (Russia)--Social life and customs.
Working class--Russia (Federation)--Nizhniĭ Tagil.
Princeton subject headings:
Labor--Russia (Federation)--Nizhniĭ Tagil.
Nizhniĭ Tagil (Russia)--Social life and customs.