Columbia subject headings:
Harvard subject headings:
Bekhterev family--Correspondence.
Families--Russia (Federation)--Siberia--History.
Families--Russia (Federation)--Siberia.
Rodigin family--Correspondence.
Russia--Social life and customs--19th century.
Russian letters--19th century.
Siberia (Russia)--Social life and customs--19th century.
Siberia (Russia)--Social life and customs.
Zhernokov family--Correspondence.
Princeton subject headings:
Families--Russia (Federation)--Siberia.
Russian letters--19th century.
Siberia (Russia)--Social life and customs.
Zhernokov family.--Correspondence.