Columbia subject headings:
Harvard subject headings:
Civilization--Congresses
Ethnophilosophy--Congresses.
Religion and civilization--Congresses.
Russia (Federation)--Civilization--Congresses.
Princeton subject headings:
Civilization--Congresses.
Ethnophilosophy--Congresses.
Religion and civilization--Congresses.
Russia (Federation)--Civilization--Congresses.