Columbia subject headings:
Explorers--Africa, Southern--Biography.
Explorers--Scotland--Biography.
Livingstone, David, 1813-1873.
Missionaries, Medical--Africa, Southern--Biography.
Missionaries, Medical--Scotland--Biography.
Harvard subject headings:
Explorers--Africa, Southern--Biography
Explorers--Scotland--Biography
Livingstone, David, 1813-1873.
Missionaries, Medical--Africa, Southern--Biography.
Missionaries, Medical--Scotland--Biography.
Princeton subject headings:
Explorers--Africa, Southern--Biography.
Explorers--Scotland--Biography.
Livingstone, David, 1813-1873.
Missionaries, Medical--Africa, Southern--Biography.
Missionaries, Medical--Scotland--Biography.