Penzhorn, B.L.

• Vol 16, No 1 (1973) - Original Research
  Parasites and diseases of Cape Mountain zebra, black wildebeest, mountain reedbuck and blesbok in the Mountain Zebra National Park
  Abstract  PDF
• Vol 17, No 1 (1974) - Original Research
  A systematic check list of flowering plants collected in the Addo Elephant National Park
  Abstract  PDF
• Vol 17, No 1 (1974) - Original Research
  The influence of the African Elephant on the vegetation of the Addo Elephant National Park
  Abstract  PDF
• Vol 20, No 1 (1977) - Short Communication
  A note on the re-introduction of grey rhebuck pelea capreolus to the Addo Elephant National Park
  Abstract  PDF
• Vol 20, No 1 (1977) - Short Communication
  Toevoegings tot die blomplantlys van die Bergkwagga Nasionale Park
  Abstract  PDF
• Vol 20, No 1 (1977) - Short Communication
  Further bird records from the Bontebokand Mountain Zebra National Parks
  Abstract  PDF