Columbia subject headings:
Imperatorskai͡a akademīi͡a nauk (Russia)--History--18th century.
Philosophy, Russian--History--18th century.
Harvard subject headings:
Imperatorskai︠a︡ akademīi︠a︡ naukʺ (Russia)--History--18th century.
Imperatorskai︠a︡ akademīi︠a︡ naukʺ (Russia)--History.
Philosophy, Russian--18th century--History.
Philosophy, Russian--History.
Princeton subject headings: