Title: Nizhnetagilʹskiĭ gornozavodskiĭ okrug Demidovykh vo vtoroĭ polovine XIX--nachale XX v.
Subjects: Iron industry and trade, History, Iron and steel workers, Businesspeople
Places: Russia (Federation), Nizhniĭ Tagil, Ural Mountains Region
People: Demidov family
Time periods: 19th century, 20th century