Columbia subject headings:
Crimea (Ukraine)--Annexation to Russia (Federation)
Russia (Federation)--Foreign relations--Ukraine.
Ukraine Conflict, 2014-
Ukraine--Ethnic relations.
Ukraine--Foreign relations--Russia (Federation)
Ukraine--Politics and government--1991-
Harvard subject headings:
Crimea (Ukraine)--Annexation to Russia (Federation)
Crimean Tatars--History--21st century.
Russia (Federation)--Foreign relations--Ukraine.
Ukraine Conflict, 2014-
Ukraine--Ethnic relations.
Ukraine--Foreign relations--Russia (Federation)
Ukraine--Politics and government--1991-
Princeton subject headings:
Crimea (Ukraine)--Annexation to Russia (Federation)
Russia (Federation)--Foreign relations--Ukraine.
Ukraine Conflict, 2014-
Ukraine--Ethnic relations.
Ukraine--Foreign relations--Russia (Federation).
Ukraine--Politics and government--1991-