Columbia subject headings:
Berliner Missionsgesellschaft--Biography.
Germany--Genealogy.
Missionaries--Germany--Biography.
Missionaries--South Africa--Biography.
South Africa--Genealogy.
Harvard subject headings:
Berliner Missionsgesellschaft--Biography.
Germany--Genealogy.
Missionaries--Germany--Biography
Missionaries--South Africa--Biography
South Africa--Genealogy.
Princeton subject headings: