Emil Holub's Reise von Colesberg nach Gazungula, 1883–1887. Wien, 1890, Emil Holub
Emil holub (holice, october 7, 1847 – vienna, february 21, 1902), czech doctor, traveler, african explorer, writer, ethnographic collector, map made from the south african expedition of 1883-1887. Date: 1890.