Columbia subject headings:
Harvard subject headings:
Firearms--Russia (Federation)--Tula.
Industries--Russia--Tula.
Tulʹskiĭ oruzheĭnyĭ zavod--History.
Princeton subject headings:
Firearms industry and trade--Soviet Union--History.
Ordnance--Manufacture--History.
Tulʹskiĭ oruzheĭnyĭ zavod.