Columbia subject headings:
Botha, Louis, 1862-1919.
Merriman, John Xavier, 1841-1926.
Harvard subject headings:
Botha, Louis, 1862-1919.
Merriman, John Xavier, 1841-1926.
Princeton subject headings:
Botha, Louis, 1862-1919.
Merriman, John Xavier, 1841-1926.