Columbia subject headings:
Dashkova, E. R. (Ekaterina Romanovna), kni︠a︡gini︠a︡, 1743-1810--Congresses.
Russia--Civilization--18th century--Congresses.
Russia--History--Catherine II, 1762-1796--Congresses.
Harvard subject headings:
Dashkova, E. R. (Ekaterina Romanovna), kni͡agini͡a, 1743-1810--Congresses.
Russia--Civilization--18th century--Congresses.
Princeton subject headings: