Order:
  1.  31
    I. The Geography of South-Western Africa.H. C. Schunke - 1879 - Transactions of the Royal Society of South Africa 2 (1):1-6.
  2.  30
    Notes on the orography and climatic condition of south-eastern Africa and on the migration of natives.H. C. Schunke - 1890 - Transactions of the Royal Society of South Africa 8 (1):12-15.
  3.  27
    The transkeian territories: Their physical geography and ethnology.H. C. Schunke - 1890 - Transactions of the Royal Society of South Africa 8 (1):1-11.