Columbia subject headings:
Arkhangelʹskai︠a︡ oblastʹ (Russia)--History--18th century.
Science--Russia (Federation)--Arkhangelʹskai︠a︡ oblastʹ.
Harvard subject headings:
Arkhangelʹskai︠a︡ oblastʹ (Russia)--History--18th century.
Science--Russia (Federation)--Arkhangelʹskai︠a︡ oblastʹ.
Princeton subject headings: