Columbia subject headings:
Harvard subject headings:
Manuscripts--Russia (Federation)--Saint Petersburg--Catalogs.
Rossiĭskai︠a︡ nat︠s︡ionalʹnai︠a︡ biblioteka. Otdel rukopiseĭ--Catalogs.
Princeton subject headings:
Catalogs.
Church music--Orthodox Eastern Church--Bibliography--Catalogs.
Manuscripts, Russian--Russia (Federation)--Catalogs.
Rare books--Russia (Federation)--Bibliography--Catalogs.
Rossiĭskai︠a︡ nat︠s︡ionalʹnai︠a︡ biblioteka. Otdel rukopiseĭ--Catalogs.