Columbia subject headings:
Revolutionaries--Russia (Federation)--Tverʹ--History.
Tverʹ (Russia)--History--Sources.
Harvard subject headings:
Revolutionaries--Russia (Federation)--Tverʹ--History.
Tverʹ (Russia)--History--Sources.
Princeton subject headings:
Revolutionaries--Russia (Federation)--Tverʹ--History.
Tverʹ (Russia)--History--Sources.