List of sources:
Brinck, P. Swedish exploration of South African animal life during 200 years. In B. Hanstrom, P. Brinck and G. Rudebeck (eds), South African animal life; results of the Lund University expedition in 1950-1951 (Vol. 1, pp. 11-61). Stockholm: Almquist & Wiksell, 1955.
FamilySearch: Nils Mattson Kiöping. https://www.familysearch.org/ark:/61903/1:1:65DB-JGCD
Wikipedia, Den fria Encyklopedin. https://sv.wikipedia.org/wiki/Nils_Matsson_Kiöping
Windquist, A.H. Scandinavians and South Africa: Their impact on the cultural, social and economic development of pre-1902 South Africa. Cape Town: Balkema, 1978.