Columbia subject headings:
Peace-building--Ukraine.
Ukraine Conflict, 2014-
Ukraine--Foreign relations--1991-
Ukraine--History--Euromaidan Protests, 2013-2014.
Harvard subject headings:
Peace-building--Ukraine.
Ukraine Conflict, 2014-
Ukraine--Foreign relations--1991-
Ukraine--History--Euromaidan Protests, 2013-2014.
Princeton subject headings:
Peace-building--Ukraine.
Ukraine Conflict, 2014-
Ukraine--Foreign relations--1991-
Ukraine--History--Euromaidan Protests, 2013-2014.