Columbia subject headings:
Diplomats--Romania--Biography.
Duca family.
Duca, George I., 1905-
Romania--Politics and government--20th century.
Harvard subject headings:
Diplomats--Romania--Biography
Duca, George I., 1905-
Romania--Politics and government--20th century.
Princeton subject headings:
Diplomats--Romania--Biography.
Duca, George I., 1905-
Romania--Politics and government--20th century.