Columbia subject headings:
Libraries--Russia (Federation)--Saint Petersburg--History.
Rossiĭskai︠a︡ akademii︠a︡ nauk. Biblioteka--History.
Harvard subject headings:
Research libraries--Russia (Federation)--Saint Petersburg--History--Congresses.
Rossiĭskai͡a akademii͡a nauk. Biblioteka--Congresses.
Rossiĭskai͡a akademii͡a nauk. Biblioteka--History--Congresses.
Princeton subject headings: