Columbia subject headings:
Confederation of states--Soviet Union--History.
Federal government--Russia--History.
Imperialism--History--Case studies.
Russia (Federation)--History--Forecasting.
Russia--Historiography.
Harvard subject headings:
Confederation of states--Soviet Union--History.
Federal government--Russia--History.
Imperialism--History--Case studies.
Russia (Federation)--History--Forecasting.
Russia--Historiography
Princeton subject headings:
Confederation of states--Soviet Union--History.
Federal government--Russia--History.
Imperialism--History--Case studies.
Russia (Federation)--History--Forecasting.
Russia--History--Historiography.