Columbia subject headings:
Harvard subject headings:
Moldova--History.
Romania--History--1914-1944.
Princeton subject headings:
Bessarabia (Moldova and Ukraine)--Annexation to Romania--Sources.
Bessarabia (Moldova and Ukraine)--Relations--Romania--Sources.
Europe--Politics and government--1918-1945--Sources.
Romania--Foreign relations--1914-1944--Sources.
Romania--Relations--Bessarabia (Moldova and Ukraine)--Sources.