Columbia subject headings:
Firearms--Russia (Federation)--Tula--History.
Tulʹskai︠a︡ oblastʹ (Russia)--History.
Harvard subject headings:
Tulʹskai︠a︡ oblastʹ (Russia)--History.
Princeton subject headings:
Firearms--Russia (Federation)--Tula--History.
Tulʹskai︠a︡ gubernii︠a︡ (R.S.F.S.R.)--History.
Tulʹskiĭ oruzheĭnyĭ zavod--History.