Columbia subject headings:
Harvard subject headings:
National security--Poland--21st century--Congresses.
Poland--Relations--Russia (Federation)--Congresses.
Russia (Federation)--Relations--Poland--Congresses.
Security, International--Congresses
Princeton subject headings:
National security--Poland.
National security--Russia (Federation)
Poland--Politics and government--1989-
Poland--Relations--Russia (Federation).
Poland--Social conditions--21st century.
Russia (Federation)--Politics and government--1991-
Russia (Federation)--Relations--Poland.
Russia (Federation)--Social conditions--21st century.