• Lorenz, K.  (1966): On Aggression, London: Methuen
  • Lorenz, K.  (1970-71). Studies in animal and human behaviour I and II, Cambridge: MA. Harvard University Press.
  • Lorenz, K.  (1977): Behind the Mirror: a search for a natural history of human knowledge, London; Methuen & Co Ltd.
  • Thorpe, V.H. (1979): The Origin and Rise of Ethology: The Science of the Natural Behaviour of Animals, Heinemann, London