Columbia subject headings:
Harvard subject headings:
European Union countries--Relations--Russia (Federation)
Geopolitics--Ukraine.
Russia (Federation)--Foreign relations
Russia (Federation)--Relations--European Union countries.
Russia (Federation)--Relations--Ukraine.
Security, International--Europe.
Ukraine Conflict, 2014-
Ukraine--Politics and government--1991-
Ukraine--Relations--Russia (Federation)
Princeton subject headings:
European Union countries--Relations--Russia (Federation).
Geopolitics--Ukraine.
Russia (Federation)--Foreign relations.
Russia (Federation)--Relations--European Union countries.
Russia (Federation)--Relations--Ukraine.
Security, International--Europe.
Ukraine Conflict, 2014-
Ukraine--Politics and government--1991-
Ukraine--Relations--Russia (Federation).