Columbia subject headings:
Harvard subject headings:
Akademii︠a︡ nauk SSSR. Biblioteka.
Libraries--Soviet Union
Manuscripts--Soviet Union.
Princeton subject headings:
Akademii︠a︡ nauk SSSR. Biblioteka. Otdel rukopisnoĭ i redkoĭ knigi
Archives--Russia (Federation)--Saint Petersburg.
Manuscripts--Russia (Federation)--Saint Petersburg.