Columbia subject headings:
Buriats--History--Sources.
Ethnology--Russia (Federation)
Kalmyks--History--Sources.
Russia (Federation)--Ethnic relations.
Harvard subject headings:
Buriats--History--Sources.
Ethnology--Russia (Federation)--History.
Kalmyks--History--Sources.
Russia (Federation)--Ethnic relations.
Princeton subject headings:
Buriats--History--Sources.
Ethnology--Russia (Federation)--History.
Kalmyks--History--Sources.
Russia (Federation)--Ethnic relations.