Columbia subject headings:
Harvard subject headings:
Anti-apartheid activists--South Africa--Biography.
Anti-apartheid activists--Switzerland--Biography.
Missionaries, Medical--South Africa--Biography.
Missionaries, Medical--Switzerland--Biography.
Missions, Medical--South Africa--Elim (Limpopo)
Ophthalmologists--South Africa--Biography.
Ophthalmologists--Switzerland--Biography.
Ophthalmology--Practice--South Africa.
Sutter, Erika
Princeton subject headings:
Anti-apartheid activists--South Africa--Biography.
Anti-apartheid activists--Switzerland--Biography.
Missionaries, Medical--South Africa--Biography.
Missionaries, Medical--Switzerland--Biography.
Ophthalmologists--South Africa--Biography.
Ophthalmologists--Switzerland--Biography.
Sutter, Erika.