Columbia subject headings:
Interpersonal relations--Russia (Federation)--History--Congresses.
Interpersonal relations--Russia--History--Congresses.
Interpersonal relations--Soviet Union--History--Congresses.
Russia (Federation)--Social conditions--Congresses.
Russia (Federation)--Social life and customs--Congresses.
Russia--Social conditions--Congresses.
Russia--Social life and customs--Congresses.
Soviet Union--Social conditions--Congresses.
Soviet Union--Social life and customs--Congresses.
Harvard subject headings:
Interpersonal relations--Russia (Federation)--History--Congresses.
Interpersonal relations--Russia--History--Congresses.
Interpersonal relations--Soviet Union--History--Congresses.
Russia (Federation)--Social conditions--Congresses.
Russia (Federation)--Social life and customs--Congresses.
Russia--Social conditions--Congresses.
Russia--Social life and customs--Congresses.
Soviet Union--Social conditions--Congresses.
Soviet Union--Social life and customs--Congresses.
Princeton subject headings:
Interpersonal relations--Russia (Federation)--History--Congresses.
Interpersonal relations--Russia--History--Congresses.
Interpersonal relations--Soviet Union--History--Congresses.
Russia (Federation)--Social conditions--Congresses.
Russia (Federation)--Social life and customs--Congresses.
Russia--Social conditions--Congresses.
Russia--Social life and customs--Congresses.
Soviet Union--Social conditions--Congresses.
Soviet Union--Social life and customs--Congresses.