List of sources:
Dictionary of South African biography, Vol. 1, 1968, P. Berthoud; Vol. 2, 1972, H.A. Junod.
Harries, P. Field sciences in scientific fields: entomology, botany and the early ethnographic monograph in the work of H.A. Junod. In S. Dubow (Ed.), Science and society in southern Africa (pp. 11-41). Manchester University Press, 2000.
Ruth Anna Berthoud. FamilySearch. https://www.familysearch.org/ark:/61903/1:1:6NFX-JBLT
South African bibliography to the year 1925. London: Mansell, 1979.