Columbia subject headings:
Agriculture--Environmental aspects--South Africa.
Conservationists--South Africa--History.
Environmental degradation--South Africa--History.
Nature conservation--South Africa--History--18th century.
Nature conservation--South Africa--History--19th century.
Nature conservation--South Africa--History--20th century.
South Africa--Environmental conditions.
Harvard subject headings:
Agriculture--Environmental aspects--South Africa.
Conservationists--South Africa--History.
Environmental degradation--South Africa--History.
Nature conservation--South Africa--History--18th century.
Nature conservation--South Africa--History--19th century.
Nature conservation--South Africa--History--20th century.
South Africa--Environmental conditions.
Princeton subject headings:
Agriculture--Environmental aspects--South Africa.
Conservationists--South Africa--History.
Environmental degradation--South Africa--History.
Nature conservation--South Africa--History--18th century.
Nature conservation--South Africa--History--19th century.
Nature conservation--South Africa--History--20th century.
South Africa--Environmental conditions.