Title: Boi︠a︡rskai︠a︡ duma drevneĭ Rusi
Subjects: Constitutional history, History, Nobility, Politics and government, Russia, Russia. Boi︠a︡rskai︠a︡ duma, Russia. Boi͡arskai͡a duma
Places: Russia, Soviet Union, Ukraine
Time periods: To 1648