Columbia subject headings:
Africa, Central--Discovery and exploration.
Africa, Southern--Discovery and exploration.
Cardoso, Candido José da Costa.
Livingstone, David, 1813-1873.
Magyar, László, 1818-1864.
Oswell, William Cotton, 1818-1893.
Harvard subject headings:
Cardoso, Candido José da Costa.
Livingstone, David, 1813-1873.
Magyar, László, 1818-1864
Oswell, William Cotton, 1818-1893.
Princeton subject headings:
Africa, Central--Discovery and exploration.
Africa, Southern--Discovery and exploration.
Cardoso, Candido José da Costa.
Livingstone, David, 1813-1873.
Magyar, László, 1818-1864.
Oswell, William Cotton, 1818-1893.