Columbia subject headings:
Harvard subject headings:
National characteristics, Ukrainian--Congresses.
Ukraine Conflict, 2014---Congresses.
Ukraine--Church history--Congresses.
Ukraine--Foreign relations--European Union countries--Congresses.
Ukraine--Foreign relations--Russia--Congresses.
Ukraine--Politics and government--Congresses.
Princeton subject headings:
Geopolitics--Ukraine.
Self-determination, National--Ukraine.
Ukraine Conflict, 2014-
Ukraine--Foreign relations--21st century.
Ukraine--Foreign relations--Russia (Federation).