Columbia subject headings:
Harvard subject headings:
European Union countries--Foreign relations--Ukraine.
Russia (Federation)--Foreign relations--Ukraine.
Ukraine--Foreign relations--European Union countries.
Ukraine--Foreign relations--Russia (Federation)
Ukraine--Foreign relations--United States.
Ukraine--Politics and government--1991-
United States--Foreign relations--Ukraine.
Princeton subject headings:
European Union countries--Foreign relations--Ukraine.
Russia (Federation)--Foreign relations--Ukraine.
Ukraine--Foreign relations--European Union countries.
Ukraine--Foreign relations--Russia (Federation).
Ukraine--Foreign relations--United States.
Ukraine--Politics and government--1991-
United States--Foreign relations--Ukraine.