Columbia subject headings:
Dolgorukai︠a︡, Natalīi︠a︡ Borisovna, kni︠a︡gini︠a︡, 1714-1771.
Minikh, Burkhard-Khristofor, Graf fon, 1683-1767.
Russia--History--1689-1801--Sources.
Harvard subject headings:
Coups d'état--Soviet Union--History--18th century--Sources.
Russia--History--1689-1801--Sources.
Russia--History--Anna, 1730-1740--Sources.
Russia--History--Elizabeth, 1741-1762--Sources.
Princeton subject headings:
Dolgorukai︠a︡, Natalīi︠a︡ Borisovna, kni︠a︡gini︠a︡, 1714-1771.
Minikh, Burkhard-Khristofor, Graf fon, 1683-1767.
Russia--History--1689-1801--Sources.