Columbia subject headings:
Archival materials--Mongolia--Ulaanbaatar--Congresses.
Archival materials--Russia (Federation)--Saint Petersburg--Congresses.
Mongols--Social life and customs--Congresses.
Harvard subject headings:
Princeton subject headings:
Archival materials--Mongolia--Ulaanbaatar--Congresses.
Archival materials--Russia (Federation)--Saint Petersburg--Congresses.
Conference papers and proceedings.
Mongols--Social life and customs--Congresses.