Kaye, Helga The tycoon and the president: the life and times of Alois Hugo Nellmapius 1847-1893/ Helga Kaye. - Johannesburg: Macmillan SA; 1978. - 120 pages.: illustrations; 23 cm. Including bibliography and index. ISBN: 9780869540734 Hardcover (hbk) Dewey Class. No.: 920 NEL