Columbia subject headings:
Educators--Belgium--Biography.
Educators--Congo (Democratic Republic)--Biography.
Gillon, Luc, 1920-
Scientists--Belgium--Biography.
Scientists--Congo (Democratic Republic)--Biography.
Université nationale du Zaïre, Campus de Kinshasa--History.
Harvard subject headings:
Gillon, Luc, 1920-
Université Lovanium de Léopoldville.
Princeton subject headings: