Columbia subject headings:
Harvard subject headings:
Organization of Petroleum Exporting Countries--Officials and employees--Biography.
Politicians--Saudi Arabia--Biography.
Saudi Arabia--Politics and government.
Yamani, Ahmad Zaki, 1930-
Princeton subject headings:
Organization of Petroleum Exporting Countries--Officials and employees--Biography.
Petroleum industry and trade--Government policy--History--20th century.
Saudi Arabia--Officials and employees--Biography.
Yamani, Ahmad Zaki, 1930-