Columbia subject headings:
Romania--Foreign relations--Soviet Union.
Romania--Politics and government--1821-1866.
Romania--Politics and government--1866-1914.
Soviet Union--Foreign relations--Romania.
Harvard subject headings:
Romania--Foreign relations--Soviet Union.
Romania--Politics and government--1821-1866.
Romania--Politics and government--1866-1914.
Soviet Union--Foreign relations--Romania.
Princeton subject headings:
Romania--Foreign relations--Russia.
Romania--Politics and government--1821-1866.
Romania--Politics and government--1866-1914.
Russia--Foreign relations--Romania.