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