Columbia subject headings:
Lithuania--History--Sources.
Poland--History--Sources.
Russia--History--Sources.
Harvard subject headings:
Lithuania--History--Sources.
Poland--History--Sources.
Russia--History--Sources.
Princeton subject headings:
Battles--Kievan Rus--Sources.
Kievan Rus--History--862-1237--Sources.
Livonia--History--Sources.
Murom (Russia)--History--Sources.
Nobility--Kievan Rus--Sources.
Poland--History--To 1572.
Ri︠a︡zanʹ (Ri︠a︡zanskai︠a︡ oblastʹ, Russia)--History--Sources.