Columbia subject headings:
Archives--Russia (Federation)--Smolenskai︠a︡ oblastʹ--Congresses.
Communism--Russia (Federation)--Smolenskai︠a︡ oblastʹ--History--Congresses.
Historiography--United States--Congresses.
Kommunisticheskai͡a partii͡a Sovetskogo Soi͡uza--History--Congresses.
Soviet Union--Historiography--Congresses.
Harvard subject headings:
Archives--Russia (Federation)--Smolenskai͡a oblastʹ--Congresses.
Communism--Russia (Federation)--Smolenskai͡a oblastʹ--History--Congresses.
Historiography--United States--Congresses.
Kommunisticheskai͡a partii͡a Sovetskogo Soi͡uza--History--Congresses.
Soviet Union--Historiography--Congresses.
Princeton subject headings:
Archives--Russia (Federation)--Smolenskai︠a︡ oblastʹ--Congresses.
Communism--Russia (Federation)--Smolenskai︠a︡ oblastʹ--History--Congresses.
Historiography--United States--Congresses.
Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za--History--Congresses.
Soviet Union--Historiography--Congresses.