Columbia subject headings:
Exiles--Russia (Federation)--Siberia--Sources.
Political prisoners--Russia (Federation)--Siberia--Sources.
Harvard subject headings:
Exiles--Russia (Federation)--Siberia--Sources.
Nerchinskai︠a︡ katorga (Siberia)--History--Sources.
Political prisoners--Russia (Federation)--Siberia--Sources.
Princeton subject headings:
Exiles--Russia (Federation)--Siberia--Sources.
Nerchinskai︠a︡ katorga (Siberia)--History--Sources.
Political prisoners--Russia (Federation)--Siberia--Sources.