Lielais, A. Pāri Melnajam kontinentam, 1978 (subj.) t.p. (Dāvida Livingstona ...) p. 5 (Dāvids Livingstons)
Wikipedia, Feb. 27, 2013 (Scottish explorer and medical missionary to Africa; born 19 March 1813 in Blantyre, South Lanarkshire, Scotland; died 1 May 1873 in northeastern Rhodesia; studied medical practice at Charing Cross Hospital Medical School, 1838-1840; credited with discovering Victoria Falls)