Columbia subject headings:
Harvard subject headings:
Authors, American--20th century--Biography
Conservationists--Kenya--Biography.
Conservationists--United States--Biography
Leslie-Melville, Betty--Biography--Marriage.
Leslie-Melville, Betty--Marriage.
Leslie-Melville, Jock--Biography--Marriage.
Leslie-Melville, Jock--Marriage.
Princeton subject headings:
Authors, American--20th century--Biography.
Conservationists--Kenya--Biography.
Conservationists--United States--Biography.
Leslie-Melville, Betty--Biography--Marriage.
Leslie-Melville, Jock--Biography--Marriage.