Columbia subject headings:
Art, Russian--Conservation and restoration--Exhibitions.
Art--Conservation and restoration--Russia (Federation)--Saint Petersburg--Exhibitions.
Gosudarstvennyĭ russkiĭ muzeĭ (Saint Petersburg, Russia)--Exhibitions.
Harvard subject headings:
Art, Russian--Conservation and restoration--Exhibitions.
Art--Conservation and restoration--Russia (Federation)--Saint Petersburg--Exhibitions.
Gosudarstvennyĭ russkiĭ muzeĭ (Saint Petersburg, Russia)--Exhibitions.
Princeton subject headings: