Columbia subject headings:
Harvard subject headings:
Nobility--Russia (Federation)--Smolenskai︠a︡ oblastʹ--Periodicals.
Smolenskai︠a︡ oblastʹ (Russia)--Biography--Periodicals.
Princeton subject headings:
Nobility--Russia (Federation)--Smolenskai︠a︡ oblastʹ--Periodicals.
Periodicals.
Smolenskai︠a︡ oblastʹ (Russia)--Biography--Periodicals.