Columbia subject headings:
Harvard subject headings:
Theater--Former Soviet republics--Bibliography--Congresses.
Theater--Former Soviet republics--History--Archival resources--Congresses.
Theater--Russia (Federation)--Bibliography--Congresses.
Theater--Russia (Federation)--History--Archival resources--Congresses.
Princeton subject headings:
Theater--Former Soviet republics--Bibliography--Congresses.
Theater--Former Soviet republics--History--Archival resources--Congresses.
Theater--Russia (Federation)--Bibliography--Congresses.
Theater--Russia (Federation)--History--Archival resources--Congresses.