Columbia subject headings:
Livingstone, David, 1813-1873.
Malawi--History.
Nyasa, Lake.
Harvard subject headings:
Livingstone, David, 1813-1873.
Malawi--History.
Nyasa, Lake.
Princeton subject headings:
Livingstone, David, 1813-1873.
Malawi--History.
Nyasa, Lake.