Columbia subject headings:
Bessarabia (Moldova and Ukraine)--History--20th century.
Romania--History--1914-1944.
Romania--History--Revolution, 1989.
World War, 1939-1945--Bessarabia (Moldova and Ukraine)
World War, 1939-1945--Romania.
World War, 1939-1945--Territorial questions--Bessarabia (Moldova and Ukraine)
Harvard subject headings:
Bessarabia (Moldova and Ukraine)--History--20th century.
Romania--Foreign relations--Soviet Union.
Romania--History--1914-1944.
Romania--History--Revolution, 1989.
Soviet Union--Foreign relations--Romania.
World War, 1939-1945--Bessarabia (Moldova and Ukraine)
World War, 1939-1945--Romania.
World War, 1939-1945--Territorial questions--Bessarabia (Moldova and Ukraine)
Princeton subject headings: