Columbia subject headings:
Crimea (Ukraine)--Foreign relations--Russia (Federation)
Russia (Federation)--Foreign relations--Ukraine--Crimea.
Russia (Federation)--Foreign relations--Ukraine.
Russia (Federation)--Politics and government--1991-
Ukraine--Foreign relations--Russia (Federation)
Ukraine--Politics and government--1991-
Harvard subject headings:
Crimea (Ukraine)--Ethnic relations.
Crimea (Ukraine)--Foreign relations--Russia (Federation)
Crimea (Ukraine)--History--Autonomy and independence movements.
Crimea (Ukraine)--Politics and government.
Nationalism--Ukraine--History
Regionalism--Ukraine--History.
Russia (Federation)--Foreign relations--Ukraine--Crimea.
Russia (Federation)--Foreign relations--Ukraine.
Russia (Federation)--Politics and government--1991-
Ukraine--Ethnic relations.
Ukraine--Foreign relations--Russia (Federation)
Ukraine--Politics and government--1991-
Princeton subject headings: