Columbia subject headings:
Gosudarstvennai͡a publichnai͡a biblioteka imeni M.E. Saltykova-Shchedrina. Otdel rukopiseĭ i redkikh knig.
Manuscripts--Russia (Federation)--Saint Petersburg.
Rare books--Russia (Federation)--Saint Petersburg.
Russia--History--Sources.
Harvard subject headings:
Gosudarstvennai︠a︡ publichnai︠a︡ biblioteka imeni M.E. Saltykova-Shchedrina. Otdel rukopiseĭ i redkikh knig.
Rare books--Soviet Union.
Russia--History--Sources.
Princeton subject headings: