Columbia subject headings:
Ukraine--History--Philosophy.
Ukraine--Social conditions--20th century.
Ukraine--Social conditions--21st century.
Harvard subject headings:
Ukraine--History--Euromaidan Protests, 2013-2014.
Ukraine--History.
Ukraine--Politics and government.
Ukraine--Social conditions.
Princeton subject headings:
Ukraine--History--Philosophy.
Ukraine--Social conditions--20th century.
Ukraine--Social conditions--21st century.