Columbia subject headings:
Harvard subject headings:
Russia (Federation)--Foreign relations--Ukraine.
Ukraine Conflict, 2014-
Ukraine--Foreign relations--Russia (Federation)
Ukraine--History--Euromaidan Protests, 2013-2014.
Ukraine--Politics and government--1991-
War and families--Ukraine--21st century.
War crimes investigation--Ukraine.
Princeton subject headings:
Russia (Federation)--Foreign relations--Ukraine.
Ukraine Conflict, 2014-
Ukraine--History--Euromaidan Protests, 2013-2014.
Ukraine--Politics and government--1991-
Ukraine--Relations--Russia (Federation).
War and families--Ukraine--21st century.
War crimes investigation--Ukraine.